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Finding the Fourth Proportional to 439.82, 658.68 and 244.52

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Solution

The fourth proportional to 439.82, 658.68 and 244.52 is: 366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.82 : 658.68 = 244.52 : x
  2. Step 2: Convert to fraction form
    439.82/658.68 = 244.52/x
  3. Step 3: Cross multiply
    439.82x = 658.68 × 244.52
  4. Step 4: Simplify right side
    439.82x = 161,060.43
  5. Step 5: Solve for x
    x = 161,060.43/439.82
  6. Step 6: Final answer
    x = 366.20

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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.