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Finding the Fourth Proportional to 232.56, 320.73 and 185.85

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Solution

The fourth proportional to 232.56, 320.73 and 185.85 is: 256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.56 : 320.73 = 185.85 : x
  2. Step 2: Convert to fraction form
    232.56/320.73 = 185.85/x
  3. Step 3: Cross multiply
    232.56x = 320.73 × 185.85
  4. Step 4: Simplify right side
    232.56x = 59,607.67
  5. Step 5: Solve for x
    x = 59,607.67/232.56
  6. Step 6: Final answer
    x = 256.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.