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Finding the Fourth Proportional to 199.76, 299.37 and 150.97

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Solution

The fourth proportional to 199.76, 299.37 and 150.97 is: 226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.76 : 299.37 = 150.97 : x
  2. Step 2: Convert to fraction form
    199.76/299.37 = 150.97/x
  3. Step 3: Cross multiply
    199.76x = 299.37 × 150.97
  4. Step 4: Simplify right side
    199.76x = 45,197.39
  5. Step 5: Solve for x
    x = 45,197.39/199.76
  6. Step 6: Final answer
    x = 226.25

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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.