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Finding the Fourth Proportional to 952.03, 1,311.69 and 727.57

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Solution

The fourth proportional to 952.03, 1,311.69 and 727.57 is: 1,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.03 : 1,311.69 = 727.57 : x
  2. Step 2: Convert to fraction form
    952.03/1,311.69 = 727.57/x
  3. Step 3: Cross multiply
    952.03x = 1,311.69 × 727.57
  4. Step 4: Simplify right side
    952.03x = 954,346.29
  5. Step 5: Solve for x
    x = 954,346.29/952.03
  6. Step 6: Final answer
    x = 1,002.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.