If 8 : x :: x : 32, find the positive value of x.
Answer & explanation
Correct answer: option 2
8 : x :: x : 32
⇒ The fourth proportional x,
⇒ \( { x}^{2 } \) = 256
⇒ x = \(\sqrt { 256}\)
⇒ x = 16.
If 8 : x :: x : 32, find the positive value of x.
Correct answer: option 2
8 : x :: x : 32
⇒ The fourth proportional x,
⇒ \( { x}^{2 } \) = 256
⇒ x = \(\sqrt { 256}\)
⇒ x = 16.