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Finding the Fourth Proportional to 402.92, 601.46 and 372.84

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Solution

The fourth proportional to 402.92, 601.46 and 372.84 is: 556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    402.92 : 601.46 = 372.84 : x
  2. Step 2: Convert to fraction form
    402.92/601.46 = 372.84/x
  3. Step 3: Cross multiply
    402.92x = 601.46 × 372.84
  4. Step 4: Simplify right side
    402.92x = 224,248.35
  5. Step 5: Solve for x
    x = 224,248.35/402.92
  6. Step 6: Final answer
    x = 556.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.