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Finding the Fourth Proportional to 516.68, 776.03 and 502.32

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Solution

The fourth proportional to 516.68, 776.03 and 502.32 is: 754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.68 : 776.03 = 502.32 : x
  2. Step 2: Convert to fraction form
    516.68/776.03 = 502.32/x
  3. Step 3: Cross multiply
    516.68x = 776.03 × 502.32
  4. Step 4: Simplify right side
    516.68x = 389,812.88
  5. Step 5: Solve for x
    x = 389,812.88/516.68
  6. Step 6: Final answer
    x = 754.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.