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Finding the Fourth Proportional to 591.03, 885.33 and 564.30

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Solution

The fourth proportional to 591.03, 885.33 and 564.30 is: 845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.03 : 885.33 = 564.30 : x
  2. Step 2: Convert to fraction form
    591.03/885.33 = 564.30/x
  3. Step 3: Cross multiply
    591.03x = 885.33 × 564.30
  4. Step 4: Simplify right side
    591.03x = 499,591.72
  5. Step 5: Solve for x
    x = 499,591.72/591.03
  6. Step 6: Final answer
    x = 845.29

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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.