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Finding the Fourth Proportional to 581.85, 801.09 and 551.88

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Solution

The fourth proportional to 581.85, 801.09 and 551.88 is: 759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.85 : 801.09 = 551.88 : x
  2. Step 2: Convert to fraction form
    581.85/801.09 = 551.88/x
  3. Step 3: Cross multiply
    581.85x = 801.09 × 551.88
  4. Step 4: Simplify right side
    581.85x = 442,105.55
  5. Step 5: Solve for x
    x = 442,105.55/581.85
  6. Step 6: Final answer
    x = 759.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.