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Finding the Fourth Proportional to 462.33, 638.57 and 337.79

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Solution

The fourth proportional to 462.33, 638.57 and 337.79 is: 466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.33 : 638.57 = 337.79 : x
  2. Step 2: Convert to fraction form
    462.33/638.57 = 337.79/x
  3. Step 3: Cross multiply
    462.33x = 638.57 × 337.79
  4. Step 4: Simplify right side
    462.33x = 215,702.56
  5. Step 5: Solve for x
    x = 215,702.56/462.33
  6. Step 6: Final answer
    x = 466.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.