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Finding the Fourth Proportional to 624.60, 938.01 and 592.70

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Solution

The fourth proportional to 624.60, 938.01 and 592.70 is: 890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.60 : 938.01 = 592.70 : x
  2. Step 2: Convert to fraction form
    624.60/938.01 = 592.70/x
  3. Step 3: Cross multiply
    624.60x = 938.01 × 592.70
  4. Step 4: Simplify right side
    624.60x = 555,953.84
  5. Step 5: Solve for x
    x = 555,953.84/624.60
  6. Step 6: Final answer
    x = 890.10

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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.