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Finding the Fourth Proportional to 183.62, 275.97 and 123.11

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Solution

The fourth proportional to 183.62, 275.97 and 123.11 is: 185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.62 : 275.97 = 123.11 : x
  2. Step 2: Convert to fraction form
    183.62/275.97 = 123.11/x
  3. Step 3: Cross multiply
    183.62x = 275.97 × 123.11
  4. Step 4: Simplify right side
    183.62x = 33,974.67
  5. Step 5: Solve for x
    x = 33,974.67/183.62
  6. Step 6: Final answer
    x = 185.03

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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.