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Finding the Fourth Proportional to 587.41, 880.42 and 327.28

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Solution

The fourth proportional to 587.41, 880.42 and 327.28 is: 490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.41 : 880.42 = 327.28 : x
  2. Step 2: Convert to fraction form
    587.41/880.42 = 327.28/x
  3. Step 3: Cross multiply
    587.41x = 880.42 × 327.28
  4. Step 4: Simplify right side
    587.41x = 288,143.86
  5. Step 5: Solve for x
    x = 288,143.86/587.41
  6. Step 6: Final answer
    x = 490.53

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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.