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Finding the Fourth Proportional to 224.85, 337.45 and 101.40

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Solution

The fourth proportional to 224.85, 337.45 and 101.40 is: 152.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.85 : 337.45 = 101.40 : x
  2. Step 2: Convert to fraction form
    224.85/337.45 = 101.40/x
  3. Step 3: Cross multiply
    224.85x = 337.45 × 101.40
  4. Step 4: Simplify right side
    224.85x = 34,217.43
  5. Step 5: Solve for x
    x = 34,217.43/224.85
  6. Step 6: Final answer
    x = 152.18

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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.