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Finding the Fourth Proportional to 332.71, 498.18 and 229.49

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Solution

The fourth proportional to 332.71, 498.18 and 229.49 is: 343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.71 : 498.18 = 229.49 : x
  2. Step 2: Convert to fraction form
    332.71/498.18 = 229.49/x
  3. Step 3: Cross multiply
    332.71x = 498.18 × 229.49
  4. Step 4: Simplify right side
    332.71x = 114,327.33
  5. Step 5: Solve for x
    x = 114,327.33/332.71
  6. Step 6: Final answer
    x = 343.62

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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.