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Finding the Fourth Proportional to 669.23, 1,003.86 and 182.27

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Solution

The fourth proportional to 669.23, 1,003.86 and 182.27 is: 273.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    669.23 : 1,003.86 = 182.27 : x
  2. Step 2: Convert to fraction form
    669.23/1,003.86 = 182.27/x
  3. Step 3: Cross multiply
    669.23x = 1,003.86 × 182.27
  4. Step 4: Simplify right side
    669.23x = 182,973.56
  5. Step 5: Solve for x
    x = 182,973.56/669.23
  6. Step 6: Final answer
    x = 273.41

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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.