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Finding the Fourth Proportional to 150.73, 207.97 and 101.73

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Solution

The fourth proportional to 150.73, 207.97 and 101.73 is: 140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.73 : 207.97 = 101.73 : x
  2. Step 2: Convert to fraction form
    150.73/207.97 = 101.73/x
  3. Step 3: Cross multiply
    150.73x = 207.97 × 101.73
  4. Step 4: Simplify right side
    150.73x = 21,156.79
  5. Step 5: Solve for x
    x = 21,156.79/150.73
  6. Step 6: Final answer
    x = 140.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.