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Finding the Fourth Proportional to 588.24, 879.93 and 449.73

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Solution

The fourth proportional to 588.24, 879.93 and 449.73 is: 672.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.24 : 879.93 = 449.73 : x
  2. Step 2: Convert to fraction form
    588.24/879.93 = 449.73/x
  3. Step 3: Cross multiply
    588.24x = 879.93 × 449.73
  4. Step 4: Simplify right side
    588.24x = 395,730.92
  5. Step 5: Solve for x
    x = 395,730.92/588.24
  6. Step 6: Final answer
    x = 672.74

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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.