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Finding the Fourth Proportional to 372.60, 513.99 and 232.74

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Solution

The fourth proportional to 372.60, 513.99 and 232.74 is: 321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.60 : 513.99 = 232.74 : x
  2. Step 2: Convert to fraction form
    372.60/513.99 = 232.74/x
  3. Step 3: Cross multiply
    372.60x = 513.99 × 232.74
  4. Step 4: Simplify right side
    372.60x = 119,626.03
  5. Step 5: Solve for x
    x = 119,626.03/372.60
  6. Step 6: Final answer
    x = 321.06

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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.