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Finding the Fourth Proportional to 229.54, 341.79 and 223.73

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Solution

The fourth proportional to 229.54, 341.79 and 223.73 is: 333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.54 : 341.79 = 223.73 : x
  2. Step 2: Convert to fraction form
    229.54/341.79 = 223.73/x
  3. Step 3: Cross multiply
    229.54x = 341.79 × 223.73
  4. Step 4: Simplify right side
    229.54x = 76,468.68
  5. Step 5: Solve for x
    x = 76,468.68/229.54
  6. Step 6: Final answer
    x = 333.15

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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.