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Finding the Fourth Proportional to 234.82, 352.46 and 191.98

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Solution

The fourth proportional to 234.82, 352.46 and 191.98 is: 288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.82 : 352.46 = 191.98 : x
  2. Step 2: Convert to fraction form
    234.82/352.46 = 191.98/x
  3. Step 3: Cross multiply
    234.82x = 352.46 × 191.98
  4. Step 4: Simplify right side
    234.82x = 67,665.27
  5. Step 5: Solve for x
    x = 67,665.27/234.82
  6. Step 6: Final answer
    x = 288.16

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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.