Evaluate
\frac{311\sqrt{2}}{400}\approx 1.099551045
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\frac{311\sqrt{2}}{200\left(\sqrt{2}\right)^{2}}
Rationalize the denominator of \frac{311}{200\sqrt{2}} by multiplying numerator and denominator by \sqrt{2}.
\frac{311\sqrt{2}}{200\times 2}
The square of \sqrt{2} is 2.
\frac{311\sqrt{2}}{400}
Multiply 200 and 2 to get 400.
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