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Finding the Fourth Proportional to 232.97, 348.81 and 189.54

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Solution

The fourth proportional to 232.97, 348.81 and 189.54 is: 283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.97 : 348.81 = 189.54 : x
  2. Step 2: Convert to fraction form
    232.97/348.81 = 189.54/x
  3. Step 3: Cross multiply
    232.97x = 348.81 × 189.54
  4. Step 4: Simplify right side
    232.97x = 66,113.45
  5. Step 5: Solve for x
    x = 66,113.45/232.97
  6. Step 6: Final answer
    x = 283.79

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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.