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Finding the Fourth Proportional to 367.92, 552.42 and 224.28

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Solution

The fourth proportional to 367.92, 552.42 and 224.28 is: 336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.92 : 552.42 = 224.28 : x
  2. Step 2: Convert to fraction form
    367.92/552.42 = 224.28/x
  3. Step 3: Cross multiply
    367.92x = 552.42 × 224.28
  4. Step 4: Simplify right side
    367.92x = 123,896.76
  5. Step 5: Solve for x
    x = 123,896.76/367.92
  6. Step 6: Final answer
    x = 336.75

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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.