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Finding the Fourth Proportional to 181.34, 251.93 and 179.65

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Solution

The fourth proportional to 181.34, 251.93 and 179.65 is: 249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.34 : 251.93 = 179.65 : x
  2. Step 2: Convert to fraction form
    181.34/251.93 = 179.65/x
  3. Step 3: Cross multiply
    181.34x = 251.93 × 179.65
  4. Step 4: Simplify right side
    181.34x = 45,259.22
  5. Step 5: Solve for x
    x = 45,259.22/181.34
  6. Step 6: Final answer
    x = 249.58

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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.