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Finding the Fourth Proportional to 232.37, 348.10 and 155.22

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Solution

The fourth proportional to 232.37, 348.10 and 155.22 is: 232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.37 : 348.10 = 155.22 : x
  2. Step 2: Convert to fraction form
    232.37/348.10 = 155.22/x
  3. Step 3: Cross multiply
    232.37x = 348.10 × 155.22
  4. Step 4: Simplify right side
    232.37x = 54,030.39
  5. Step 5: Solve for x
    x = 54,030.39/232.37
  6. Step 6: Final answer
    x = 232.52

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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.