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Finding the Fourth Proportional to 372.73, 559.14 and 98.83

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Solution

The fourth proportional to 372.73, 559.14 and 98.83 is: 148.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.73 : 559.14 = 98.83 : x
  2. Step 2: Convert to fraction form
    372.73/559.14 = 98.83/x
  3. Step 3: Cross multiply
    372.73x = 559.14 × 98.83
  4. Step 4: Simplify right side
    372.73x = 55,258.41
  5. Step 5: Solve for x
    x = 55,258.41/372.73
  6. Step 6: Final answer
    x = 148.25

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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.