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Finding the Fourth Proportional to 482.73, 724.48 and 251.69

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Solution

The fourth proportional to 482.73, 724.48 and 251.69 is: 377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.73 : 724.48 = 251.69 : x
  2. Step 2: Convert to fraction form
    482.73/724.48 = 251.69/x
  3. Step 3: Cross multiply
    482.73x = 724.48 × 251.69
  4. Step 4: Simplify right side
    482.73x = 182,344.37
  5. Step 5: Solve for x
    x = 182,344.37/482.73
  6. Step 6: Final answer
    x = 377.74

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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.