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Finding the Fourth Proportional to 1,194.56, 1,791.78 and 500.96

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Solution

The fourth proportional to 1,194.56, 1,791.78 and 500.96 is: 751.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.56 : 1,791.78 = 500.96 : x
  2. Step 2: Convert to fraction form
    1,194.56/1,791.78 = 500.96/x
  3. Step 3: Cross multiply
    1,194.56x = 1,791.78 × 500.96
  4. Step 4: Simplify right side
    1,194.56x = 897,610.11
  5. Step 5: Solve for x
    x = 897,610.11/1,194.56
  6. Step 6: Final answer
    x = 751.41

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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.