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Finding the Fourth Proportional to 183.22, 272.98 and 171.44

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Solution

The fourth proportional to 183.22, 272.98 and 171.44 is: 255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.22 : 272.98 = 171.44 : x
  2. Step 2: Convert to fraction form
    183.22/272.98 = 171.44/x
  3. Step 3: Cross multiply
    183.22x = 272.98 × 171.44
  4. Step 4: Simplify right side
    183.22x = 46,799.69
  5. Step 5: Solve for x
    x = 46,799.69/183.22
  6. Step 6: Final answer
    x = 255.43

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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.