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Finding the Fourth Proportional to 232.96, 350.18 and 187.81

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Solution

The fourth proportional to 232.96, 350.18 and 187.81 is: 282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.96 : 350.18 = 187.81 : x
  2. Step 2: Convert to fraction form
    232.96/350.18 = 187.81/x
  3. Step 3: Cross multiply
    232.96x = 350.18 × 187.81
  4. Step 4: Simplify right side
    232.96x = 65,767.31
  5. Step 5: Solve for x
    x = 65,767.31/232.96
  6. Step 6: Final answer
    x = 282.31

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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.