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Finding the Fourth Proportional to 229.92, 343.14 and 224.46

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Solution

The fourth proportional to 229.92, 343.14 and 224.46 is: 334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.92 : 343.14 = 224.46 : x
  2. Step 2: Convert to fraction form
    229.92/343.14 = 224.46/x
  3. Step 3: Cross multiply
    229.92x = 343.14 × 224.46
  4. Step 4: Simplify right side
    229.92x = 77,021.20
  5. Step 5: Solve for x
    x = 77,021.20/229.92
  6. Step 6: Final answer
    x = 334.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.