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Finding the Fourth Proportional to 582.36, 877.49 and 481.90

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Solution

The fourth proportional to 582.36, 877.49 and 481.90 is: 726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.36 : 877.49 = 481.90 : x
  2. Step 2: Convert to fraction form
    582.36/877.49 = 481.90/x
  3. Step 3: Cross multiply
    582.36x = 877.49 × 481.90
  4. Step 4: Simplify right side
    582.36x = 422,862.64
  5. Step 5: Solve for x
    x = 422,862.64/582.36
  6. Step 6: Final answer
    x = 726.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.