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Finding the Fourth Proportional to 183.88, 276.09 and 181.18

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Solution

The fourth proportional to 183.88, 276.09 and 181.18 is: 272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.88 : 276.09 = 181.18 : x
  2. Step 2: Convert to fraction form
    183.88/276.09 = 181.18/x
  3. Step 3: Cross multiply
    183.88x = 276.09 × 181.18
  4. Step 4: Simplify right side
    183.88x = 50,021.99
  5. Step 5: Solve for x
    x = 50,021.99/183.88
  6. Step 6: Final answer
    x = 272.04

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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.