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Finding the Fourth Proportional to 724.33, 995.37 and 576.71

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Solution

The fourth proportional to 724.33, 995.37 and 576.71 is: 792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    724.33 : 995.37 = 576.71 : x
  2. Step 2: Convert to fraction form
    724.33/995.37 = 576.71/x
  3. Step 3: Cross multiply
    724.33x = 995.37 × 576.71
  4. Step 4: Simplify right side
    724.33x = 574,039.83
  5. Step 5: Solve for x
    x = 574,039.83/724.33
  6. Step 6: Final answer
    x = 792.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.