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Finding the Fourth Proportional to 146.95, 201.79 and 126.23

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Solution

The fourth proportional to 146.95, 201.79 and 126.23 is: 173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.95 : 201.79 = 126.23 : x
  2. Step 2: Convert to fraction form
    146.95/201.79 = 126.23/x
  3. Step 3: Cross multiply
    146.95x = 201.79 × 126.23
  4. Step 4: Simplify right side
    146.95x = 25,471.10
  5. Step 5: Solve for x
    x = 25,471.10/146.95
  6. Step 6: Final answer
    x = 173.33

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.