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Finding the Fourth Proportional to 183.39, 273.48 and 171.09

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Solution

The fourth proportional to 183.39, 273.48 and 171.09 is: 255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.39 : 273.48 = 171.09 : x
  2. Step 2: Convert to fraction form
    183.39/273.48 = 171.09/x
  3. Step 3: Cross multiply
    183.39x = 273.48 × 171.09
  4. Step 4: Simplify right side
    183.39x = 46,789.69
  5. Step 5: Solve for x
    x = 46,789.69/183.39
  6. Step 6: Final answer
    x = 255.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.