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Finding the Fourth Proportional to 581.49, 878.83 and 571.41

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Solution

The fourth proportional to 581.49, 878.83 and 571.41 is: 863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.49 : 878.83 = 571.41 : x
  2. Step 2: Convert to fraction form
    581.49/878.83 = 571.41/x
  3. Step 3: Cross multiply
    581.49x = 878.83 × 571.41
  4. Step 4: Simplify right side
    581.49x = 502,170.82
  5. Step 5: Solve for x
    x = 502,170.82/581.49
  6. Step 6: Final answer
    x = 863.59

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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.