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Finding the Fourth Proportional to 267.87, 401.04 and 224.34

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Solution

The fourth proportional to 267.87, 401.04 and 224.34 is: 335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.87 : 401.04 = 224.34 : x
  2. Step 2: Convert to fraction form
    267.87/401.04 = 224.34/x
  3. Step 3: Cross multiply
    267.87x = 401.04 × 224.34
  4. Step 4: Simplify right side
    267.87x = 89,969.31
  5. Step 5: Solve for x
    x = 89,969.31/267.87
  6. Step 6: Final answer
    x = 335.87

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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.