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Finding the Fourth Proportional to 587.92, 880.08 and 371.20

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Solution

The fourth proportional to 587.92, 880.08 and 371.20 is: 555.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.92 : 880.08 = 371.20 : x
  2. Step 2: Convert to fraction form
    587.92/880.08 = 371.20/x
  3. Step 3: Cross multiply
    587.92x = 880.08 × 371.20
  4. Step 4: Simplify right side
    587.92x = 326,685.70
  5. Step 5: Solve for x
    x = 326,685.70/587.92
  6. Step 6: Final answer
    x = 555.66

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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.