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Finding the Fourth Proportional to 232.22, 347.85 and 150.81

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Solution

The fourth proportional to 232.22, 347.85 and 150.81 is: 225.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.22 : 347.85 = 150.81 : x
  2. Step 2: Convert to fraction form
    232.22/347.85 = 150.81/x
  3. Step 3: Cross multiply
    232.22x = 347.85 × 150.81
  4. Step 4: Simplify right side
    232.22x = 52,459.26
  5. Step 5: Solve for x
    x = 52,459.26/232.22
  6. Step 6: Final answer
    x = 225.91

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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.