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Finding the Fourth Proportional to 885.03, 1,324.97 and 791.22

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Solution

The fourth proportional to 885.03, 1,324.97 and 791.22 is: 1,184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    885.03 : 1,324.97 = 791.22 : x
  2. Step 2: Convert to fraction form
    885.03/1,324.97 = 791.22/x
  3. Step 3: Cross multiply
    885.03x = 1,324.97 × 791.22
  4. Step 4: Simplify right side
    885.03x = 1,048,348.05
  5. Step 5: Solve for x
    x = 1,048,348.05/885.03
  6. Step 6: Final answer
    x = 1,184.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.