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Finding the Fourth Proportional to 232.24, 348.36 and 212.44

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Solution

The fourth proportional to 232.24, 348.36 and 212.44 is: 318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.24 : 348.36 = 212.44 : x
  2. Step 2: Convert to fraction form
    232.24/348.36 = 212.44/x
  3. Step 3: Cross multiply
    232.24x = 348.36 × 212.44
  4. Step 4: Simplify right side
    232.24x = 74,005.60
  5. Step 5: Solve for x
    x = 74,005.60/232.24
  6. Step 6: Final answer
    x = 318.66

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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.