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Finding the Fourth Proportional to 185.17, 277.08 and 154.66

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Solution

The fourth proportional to 185.17, 277.08 and 154.66 is: 231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.17 : 277.08 = 154.66 : x
  2. Step 2: Convert to fraction form
    185.17/277.08 = 154.66/x
  3. Step 3: Cross multiply
    185.17x = 277.08 × 154.66
  4. Step 4: Simplify right side
    185.17x = 42,853.19
  5. Step 5: Solve for x
    x = 42,853.19/185.17
  6. Step 6: Final answer
    x = 231.43

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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.