SSC SSC GD Constable 2025 Mock Test Series Quantitative Aptitude Ratio and Proportion Mean Proportional
The mean proportional of 4a2 and x is \(\frac{1}{5a}\) where a is a positive number, then the value of x is ____.
1
\(\frac{1}{100a^4}\)
2
\(\frac{1}{100a^2}\)
3
\(\frac{1}{25a^2}\)
4
\(\frac{1}{25a^4}\)