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Finding the Fourth Proportional to 439.36, 658.32 and 182.32

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Solution

The fourth proportional to 439.36, 658.32 and 182.32 is: 273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.36 : 658.32 = 182.32 : x
  2. Step 2: Convert to fraction form
    439.36/658.32 = 182.32/x
  3. Step 3: Cross multiply
    439.36x = 658.32 × 182.32
  4. Step 4: Simplify right side
    439.36x = 120,024.90
  5. Step 5: Solve for x
    x = 120,024.90/439.36
  6. Step 6: Final answer
    x = 273.18

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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.