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Finding the Fourth Proportional to 232.61, 348.50 and 222.31

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Solution

The fourth proportional to 232.61, 348.50 and 222.31 is: 333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.61 : 348.50 = 222.31 : x
  2. Step 2: Convert to fraction form
    232.61/348.50 = 222.31/x
  3. Step 3: Cross multiply
    232.61x = 348.50 × 222.31
  4. Step 4: Simplify right side
    232.61x = 77,476.03
  5. Step 5: Solve for x
    x = 77,476.03/232.61
  6. Step 6: Final answer
    x = 333.08

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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.