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Finding the Fourth Proportional to 224.38, 337.88 and 197.65

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Solution

The fourth proportional to 224.38, 337.88 and 197.65 is: 297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.38 : 337.88 = 197.65 : x
  2. Step 2: Convert to fraction form
    224.38/337.88 = 197.65/x
  3. Step 3: Cross multiply
    224.38x = 337.88 × 197.65
  4. Step 4: Simplify right side
    224.38x = 66,781.98
  5. Step 5: Solve for x
    x = 66,781.98/224.38
  6. Step 6: Final answer
    x = 297.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.