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Finding the Fourth Proportional to 267.60, 400.95 and 224.57

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Solution

The fourth proportional to 267.60, 400.95 and 224.57 is: 336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.60 : 400.95 = 224.57 : x
  2. Step 2: Convert to fraction form
    267.60/400.95 = 224.57/x
  3. Step 3: Cross multiply
    267.60x = 400.95 × 224.57
  4. Step 4: Simplify right side
    267.60x = 90,042.34
  5. Step 5: Solve for x
    x = 90,042.34/267.60
  6. Step 6: Final answer
    x = 336.48

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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.