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Finding the Fourth Proportional to 183.32, 276.27 and 171.79

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Solution

The fourth proportional to 183.32, 276.27 and 171.79 is: 258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.32 : 276.27 = 171.79 : x
  2. Step 2: Convert to fraction form
    183.32/276.27 = 171.79/x
  3. Step 3: Cross multiply
    183.32x = 276.27 × 171.79
  4. Step 4: Simplify right side
    183.32x = 47,459.57
  5. Step 5: Solve for x
    x = 47,459.57/183.32
  6. Step 6: Final answer
    x = 258.89

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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.