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Finding the Fourth Proportional to 185.56, 277.86 and 134.54

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Solution

The fourth proportional to 185.56, 277.86 and 134.54 is: 201.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.56 : 277.86 = 134.54 : x
  2. Step 2: Convert to fraction form
    185.56/277.86 = 134.54/x
  3. Step 3: Cross multiply
    185.56x = 277.86 × 134.54
  4. Step 4: Simplify right side
    185.56x = 37,383.28
  5. Step 5: Solve for x
    x = 37,383.28/185.56
  6. Step 6: Final answer
    x = 201.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.