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Finding the Fourth Proportional to 723.25, 996.54 and 501.82

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Solution

The fourth proportional to 723.25, 996.54 and 501.82 is: 691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    723.25 : 996.54 = 501.82 : x
  2. Step 2: Convert to fraction form
    723.25/996.54 = 501.82/x
  3. Step 3: Cross multiply
    723.25x = 996.54 × 501.82
  4. Step 4: Simplify right side
    723.25x = 500,083.70
  5. Step 5: Solve for x
    x = 500,083.70/723.25
  6. Step 6: Final answer
    x = 691.44

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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.