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Finding the Fourth Proportional to 185.45, 277.08 and 179.07

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Solution

The fourth proportional to 185.45, 277.08 and 179.07 is: 267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.45 : 277.08 = 179.07 : x
  2. Step 2: Convert to fraction form
    185.45/277.08 = 179.07/x
  3. Step 3: Cross multiply
    185.45x = 277.08 × 179.07
  4. Step 4: Simplify right side
    185.45x = 49,616.72
  5. Step 5: Solve for x
    x = 49,616.72/185.45
  6. Step 6: Final answer
    x = 267.55

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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.