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Finding the Fourth Proportional to 232.22, 348.06 and 207.92

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Solution

The fourth proportional to 232.22, 348.06 and 207.92 is: 311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.22 : 348.06 = 207.92 : x
  2. Step 2: Convert to fraction form
    232.22/348.06 = 207.92/x
  3. Step 3: Cross multiply
    232.22x = 348.06 × 207.92
  4. Step 4: Simplify right side
    232.22x = 72,368.64
  5. Step 5: Solve for x
    x = 72,368.64/232.22
  6. Step 6: Final answer
    x = 311.64

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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.