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Finding the Fourth Proportional to 581.18, 876.02 and 547.70

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Solution

The fourth proportional to 581.18, 876.02 and 547.70 is: 825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.18 : 876.02 = 547.70 : x
  2. Step 2: Convert to fraction form
    581.18/876.02 = 547.70/x
  3. Step 3: Cross multiply
    581.18x = 876.02 × 547.70
  4. Step 4: Simplify right side
    581.18x = 479,796.15
  5. Step 5: Solve for x
    x = 479,796.15/581.18
  6. Step 6: Final answer
    x = 825.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.