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Finding the Fourth Proportional to 581.97, 876.94 and 481.51

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Solution

The fourth proportional to 581.97, 876.94 and 481.51 is: 725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    581.97 : 876.94 = 481.51 : x
  2. Step 2: Convert to fraction form
    581.97/876.94 = 481.51/x
  3. Step 3: Cross multiply
    581.97x = 876.94 × 481.51
  4. Step 4: Simplify right side
    581.97x = 422,255.38
  5. Step 5: Solve for x
    x = 422,255.38/581.97
  6. Step 6: Final answer
    x = 725.56

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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.