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Finding the Fourth Proportional to 624.62, 937.04 and 508.79

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Solution

The fourth proportional to 624.62, 937.04 and 508.79 is: 763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.62 : 937.04 = 508.79 : x
  2. Step 2: Convert to fraction form
    624.62/937.04 = 508.79/x
  3. Step 3: Cross multiply
    624.62x = 937.04 × 508.79
  4. Step 4: Simplify right side
    624.62x = 476,756.38
  5. Step 5: Solve for x
    x = 476,756.38/624.62
  6. Step 6: Final answer
    x = 763.27

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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.