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Finding the Fourth Proportional to 224.97, 337.95 and 133.72

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Solution

The fourth proportional to 224.97, 337.95 and 133.72 is: 200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.97 : 337.95 = 133.72 : x
  2. Step 2: Convert to fraction form
    224.97/337.95 = 133.72/x
  3. Step 3: Cross multiply
    224.97x = 337.95 × 133.72
  4. Step 4: Simplify right side
    224.97x = 45,190.67
  5. Step 5: Solve for x
    x = 45,190.67/224.97
  6. Step 6: Final answer
    x = 200.87

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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.