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Finding the Fourth Proportional to 267.92, 401.81 and 224.60

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Solution

The fourth proportional to 267.92, 401.81 and 224.60 is: 336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.92 : 401.81 = 224.60 : x
  2. Step 2: Convert to fraction form
    267.92/401.81 = 224.60/x
  3. Step 3: Cross multiply
    267.92x = 401.81 × 224.60
  4. Step 4: Simplify right side
    267.92x = 90,243.39
  5. Step 5: Solve for x
    x = 90,243.39/267.92
  6. Step 6: Final answer
    x = 336.84

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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.