Correct option is A
Given
First term = 18
Second term = a
Third term = 8a
Fourth proportional = 16
Formula Used
For proportional terms x, y, z, w:
Solution
According to the property of proportion:
Final Answer
So the correct answer is (a)
The fourth proportional to 18, a and 8a is 16. What is the positive value of a?
Given
First term = 18
Second term = a
Third term = 8a
Fourth proportional = 16
Formula Used
For proportional terms x, y, z, w:
Solution
According to the property of proportion:
Final Answer
So the correct answer is (a)
The fourth proportional to 18, a and 8a is 16. What is the positive value of a?
Find the fourth proportional to 20, 24 and 30.
Find the fourth proportional of 4, 6 and 5.
LCM and HCF of two numbers are 198 and 33 respectively. If one of the numbers is 99, then find the other number.
The fourth proportional to 17, 87 and 119 is:
The fourth proportional to 16, a and 9a is 324. What is the value of a?
The fourth proportional to 2.5, 9.6 and 75 is:
The fourth proportional to 4, a and 16a is 81. Find the value of a².
Suggested Test Series
Suggested Test Series
The fourth proportional to 18, a and 8a is 16. What is the positive value of a?
Find the fourth proportional to 20, 24 and 30.
Find the fourth proportional of 4, 6 and 5.
LCM and HCF of two numbers are 198 and 33 respectively. If one of the numbers is 99, then find the other number.
The fourth proportional to 17, 87 and 119 is:
The fourth proportional to 16, a and 9a is 324. What is the value of a?
The fourth proportional to 2.5, 9.6 and 75 is:
The fourth proportional to 4, a and 16a is 81. Find the value of a².