The fourth proportional to the numbers 5, 6, and 8 is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 9.6.
Let the fourth proportional to numbers be x
⇒ 5 : 6 : : 8 : x
Product of extremes = Product of means
⇒ 5(x) = 6(8)
⇒ 5x = 48
⇒ x = 48/5 = 9.6