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Finding the Fourth Proportional to 182.54, 251.55 and 135.96

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Solution

The fourth proportional to 182.54, 251.55 and 135.96 is: 187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.54 : 251.55 = 135.96 : x
  2. Step 2: Convert to fraction form
    182.54/251.55 = 135.96/x
  3. Step 3: Cross multiply
    182.54x = 251.55 × 135.96
  4. Step 4: Simplify right side
    182.54x = 34,200.74
  5. Step 5: Solve for x
    x = 34,200.74/182.54
  6. Step 6: Final answer
    x = 187.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.