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Finding the Fourth Proportional to 332.22, 497.90 and 229.34

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Solution

The fourth proportional to 332.22, 497.90 and 229.34 is: 343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.22 : 497.90 = 229.34 : x
  2. Step 2: Convert to fraction form
    332.22/497.90 = 229.34/x
  3. Step 3: Cross multiply
    332.22x = 497.90 × 229.34
  4. Step 4: Simplify right side
    332.22x = 114,188.39
  5. Step 5: Solve for x
    x = 114,188.39/332.22
  6. Step 6: Final answer
    x = 343.71

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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.