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Finding the Fourth Proportional to 186.06, 278.89 and 150.02

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Solution

The fourth proportional to 186.06, 278.89 and 150.02 is: 224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.06 : 278.89 = 150.02 : x
  2. Step 2: Convert to fraction form
    186.06/278.89 = 150.02/x
  3. Step 3: Cross multiply
    186.06x = 278.89 × 150.02
  4. Step 4: Simplify right side
    186.06x = 41,839.08
  5. Step 5: Solve for x
    x = 41,839.08/186.06
  6. Step 6: Final answer
    x = 224.87

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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.