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Finding the Fourth Proportional to 186.89, 280.79 and 182.33

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Solution

The fourth proportional to 186.89, 280.79 and 182.33 is: 273.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.89 : 280.79 = 182.33 : x
  2. Step 2: Convert to fraction form
    186.89/280.79 = 182.33/x
  3. Step 3: Cross multiply
    186.89x = 280.79 × 182.33
  4. Step 4: Simplify right side
    186.89x = 51,197.60
  5. Step 5: Solve for x
    x = 51,197.60/186.89
  6. Step 6: Final answer
    x = 273.94

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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.