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Finding the Fourth Proportional to 234.97, 352.59 and 231.46

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Solution

The fourth proportional to 234.97, 352.59 and 231.46 is: 347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.97 : 352.59 = 231.46 : x
  2. Step 2: Convert to fraction form
    234.97/352.59 = 231.46/x
  3. Step 3: Cross multiply
    234.97x = 352.59 × 231.46
  4. Step 4: Simplify right side
    234.97x = 81,610.48
  5. Step 5: Solve for x
    x = 81,610.48/234.97
  6. Step 6: Final answer
    x = 347.32

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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.