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Finding the Fourth Proportional to 151.27, 225.41 and 146.37

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Solution

The fourth proportional to 151.27, 225.41 and 146.37 is: 218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.27 : 225.41 = 146.37 : x
  2. Step 2: Convert to fraction form
    151.27/225.41 = 146.37/x
  3. Step 3: Cross multiply
    151.27x = 225.41 × 146.37
  4. Step 4: Simplify right side
    151.27x = 32,993.26
  5. Step 5: Solve for x
    x = 32,993.26/151.27
  6. Step 6: Final answer
    x = 218.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.