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Finding the Fourth Proportional to 183.84, 254.92 and 177.69

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Solution

The fourth proportional to 183.84, 254.92 and 177.69 is: 246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.84 : 254.92 = 177.69 : x
  2. Step 2: Convert to fraction form
    183.84/254.92 = 177.69/x
  3. Step 3: Cross multiply
    183.84x = 254.92 × 177.69
  4. Step 4: Simplify right side
    183.84x = 45,298.08
  5. Step 5: Solve for x
    x = 45,298.08/183.84
  6. Step 6: Final answer
    x = 246.39

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.