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Finding the Fourth Proportional to 1,001.97, 1,382.33 and 582.25

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Solution

The fourth proportional to 1,001.97, 1,382.33 and 582.25 is: 803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001.97 : 1,382.33 = 582.25 : x
  2. Step 2: Convert to fraction form
    1,001.97/1,382.33 = 582.25/x
  3. Step 3: Cross multiply
    1,001.97x = 1,382.33 × 582.25
  4. Step 4: Simplify right side
    1,001.97x = 804,861.64
  5. Step 5: Solve for x
    x = 804,861.64/1,001.97
  6. Step 6: Final answer
    x = 803.28

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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.