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Finding the Fourth Proportional to 229.96, 344.76 and 197.32

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Solution

The fourth proportional to 229.96, 344.76 and 197.32 is: 295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.96 : 344.76 = 197.32 : x
  2. Step 2: Convert to fraction form
    229.96/344.76 = 197.32/x
  3. Step 3: Cross multiply
    229.96x = 344.76 × 197.32
  4. Step 4: Simplify right side
    229.96x = 68,028.04
  5. Step 5: Solve for x
    x = 68,028.04/229.96
  6. Step 6: Final answer
    x = 295.83

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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.