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Finding the Fourth Proportional to 224.24, 337.76 and 204.80

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Solution

The fourth proportional to 224.24, 337.76 and 204.80 is: 308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.24 : 337.76 = 204.80 : x
  2. Step 2: Convert to fraction form
    224.24/337.76 = 204.80/x
  3. Step 3: Cross multiply
    224.24x = 337.76 × 204.80
  4. Step 4: Simplify right side
    224.24x = 69,173.25
  5. Step 5: Solve for x
    x = 69,173.25/224.24
  6. Step 6: Final answer
    x = 308.48

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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.