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Finding the Fourth Proportional to 367.92, 550.50 and 229.14

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Solution

The fourth proportional to 367.92, 550.50 and 229.14 is: 342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.92 : 550.50 = 229.14 : x
  2. Step 2: Convert to fraction form
    367.92/550.50 = 229.14/x
  3. Step 3: Cross multiply
    367.92x = 550.50 × 229.14
  4. Step 4: Simplify right side
    367.92x = 126,141.57
  5. Step 5: Solve for x
    x = 126,141.57/367.92
  6. Step 6: Final answer
    x = 342.85

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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.