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Finding the Fourth Proportional to 591.08, 886.38 and 220.83

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Solution

The fourth proportional to 591.08, 886.38 and 220.83 is: 331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.08 : 886.38 = 220.83 : x
  2. Step 2: Convert to fraction form
    591.08/886.38 = 220.83/x
  3. Step 3: Cross multiply
    591.08x = 886.38 × 220.83
  4. Step 4: Simplify right side
    591.08x = 195,735.14
  5. Step 5: Solve for x
    x = 195,735.14/591.08
  6. Step 6: Final answer
    x = 331.15

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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.