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Finding the Fourth Proportional to 186.21, 255.42 and 179.37

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Solution

The fourth proportional to 186.21, 255.42 and 179.37 is: 246.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.21 : 255.42 = 179.37 : x
  2. Step 2: Convert to fraction form
    186.21/255.42 = 179.37/x
  3. Step 3: Cross multiply
    186.21x = 255.42 × 179.37
  4. Step 4: Simplify right side
    186.21x = 45,814.69
  5. Step 5: Solve for x
    x = 45,814.69/186.21
  6. Step 6: Final answer
    x = 246.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.