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Finding the Fourth Proportional to 234.27, 323.25 and 197.37

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Solution

The fourth proportional to 234.27, 323.25 and 197.37 is: 272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.27 : 323.25 = 197.37 : x
  2. Step 2: Convert to fraction form
    234.27/323.25 = 197.37/x
  3. Step 3: Cross multiply
    234.27x = 323.25 × 197.37
  4. Step 4: Simplify right side
    234.27x = 63,799.85
  5. Step 5: Solve for x
    x = 63,799.85/234.27
  6. Step 6: Final answer
    x = 272.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.