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Finding the Fourth Proportional to 183.65, 255.22 and 181.76

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Solution

The fourth proportional to 183.65, 255.22 and 181.76 is: 252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.65 : 255.22 = 181.76 : x
  2. Step 2: Convert to fraction form
    183.65/255.22 = 181.76/x
  3. Step 3: Cross multiply
    183.65x = 255.22 × 181.76
  4. Step 4: Simplify right side
    183.65x = 46,387.06
  5. Step 5: Solve for x
    x = 46,387.06/183.65
  6. Step 6: Final answer
    x = 252.59

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.