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Finding the Fourth Proportional to 791.34, 1,194.41 and 791.34

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Solution

The fourth proportional to 791.34, 1,194.41 and 791.34 is: 1,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    791.34 : 1,194.41 = 791.34 : x
  2. Step 2: Convert to fraction form
    791.34/1,194.41 = 791.34/x
  3. Step 3: Cross multiply
    791.34x = 1,194.41 × 791.34
  4. Step 4: Simplify right side
    791.34x = 945,180.45
  5. Step 5: Solve for x
    x = 945,180.45/791.34
  6. Step 6: Final answer
    x = 1,194.41

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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.