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Finding the Fourth Proportional to 185.02, 277.66 and 93.76

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Solution

The fourth proportional to 185.02, 277.66 and 93.76 is: 140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.02 : 277.66 = 93.76 : x
  2. Step 2: Convert to fraction form
    185.02/277.66 = 93.76/x
  3. Step 3: Cross multiply
    185.02x = 277.66 × 93.76
  4. Step 4: Simplify right side
    185.02x = 26,033.40
  5. Step 5: Solve for x
    x = 26,033.40/185.02
  6. Step 6: Final answer
    x = 140.71

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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.