Finding the Fourth Proportional to 516, 773.84 and 312
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Solution
The fourth proportional to 516, 773.84 and 312 is: 467.90
Step by Step Solution
- Step 1: Write the proportion equation
516 : 773.84 = 312 : x - Step 2: Convert to fraction form
516/773.84 = 312/x - Step 3: Cross multiply
516x = 773.84 × 312 - Step 4: Simplify right side
516x = 241,438.08 - Step 5: Solve for x
x = 241,438.08/516 - Step 6: Final answer
x = 467.90
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