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Finding the Fourth Proportional to 627.49, 938.50 and 366.87

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Solution

The fourth proportional to 627.49, 938.50 and 366.87 is: 548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    627.49 : 938.50 = 366.87 : x
  2. Step 2: Convert to fraction form
    627.49/938.50 = 366.87/x
  3. Step 3: Cross multiply
    627.49x = 938.50 × 366.87
  4. Step 4: Simplify right side
    627.49x = 344,306.58
  5. Step 5: Solve for x
    x = 344,306.58/627.49
  6. Step 6: Final answer
    x = 548.71

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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.