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Finding the Fourth Proportional to 1,304.89, 1,958.02 and 574.97

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Solution

The fourth proportional to 1,304.89, 1,958.02 and 574.97 is: 862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.89 : 1,958.02 = 574.97 : x
  2. Step 2: Convert to fraction form
    1,304.89/1,958.02 = 574.97/x
  3. Step 3: Cross multiply
    1,304.89x = 1,958.02 × 574.97
  4. Step 4: Simplify right side
    1,304.89x = 1,125,791.53
  5. Step 5: Solve for x
    x = 1,125,791.53/1,304.89
  6. Step 6: Final answer
    x = 862.75

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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.