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Finding the Fourth Proportional to 224.76, 337.40 and 133.53

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Solution

The fourth proportional to 224.76, 337.40 and 133.53 is: 200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.76 : 337.40 = 133.53 : x
  2. Step 2: Convert to fraction form
    224.76/337.40 = 133.53/x
  3. Step 3: Cross multiply
    224.76x = 337.40 × 133.53
  4. Step 4: Simplify right side
    224.76x = 45,052.35
  5. Step 5: Solve for x
    x = 45,052.35/224.76
  6. Step 6: Final answer
    x = 200.45

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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.