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Finding the Fourth Proportional to 232.22, 348.35 and 189.29

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Solution

The fourth proportional to 232.22, 348.35 and 189.29 is: 283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.22 : 348.35 = 189.29 : x
  2. Step 2: Convert to fraction form
    232.22/348.35 = 189.29/x
  3. Step 3: Cross multiply
    232.22x = 348.35 × 189.29
  4. Step 4: Simplify right side
    232.22x = 65,938.20
  5. Step 5: Solve for x
    x = 65,938.20/232.22
  6. Step 6: Final answer
    x = 283.95

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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.