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Finding the Fourth Proportional to 150.68, 227.00 and 137.99

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Solution

The fourth proportional to 150.68, 227.00 and 137.99 is: 207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.68 : 227.00 = 137.99 : x
  2. Step 2: Convert to fraction form
    150.68/227.00 = 137.99/x
  3. Step 3: Cross multiply
    150.68x = 227.00 × 137.99
  4. Step 4: Simplify right side
    150.68x = 31,324.64
  5. Step 5: Solve for x
    x = 31,324.64/150.68
  6. Step 6: Final answer
    x = 207.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.