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Finding the Fourth Proportional to 952.05, 1,313.79 and 532.43

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Solution

The fourth proportional to 952.05, 1,313.79 and 532.43 is: 734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.05 : 1,313.79 = 532.43 : x
  2. Step 2: Convert to fraction form
    952.05/1,313.79 = 532.43/x
  3. Step 3: Cross multiply
    952.05x = 1,313.79 × 532.43
  4. Step 4: Simplify right side
    952.05x = 699,494.64
  5. Step 5: Solve for x
    x = 699,494.64/952.05
  6. Step 6: Final answer
    x = 734.72

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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.