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Finding the Fourth Proportional to 225.33, 337.71 and 148.44

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Solution

The fourth proportional to 225.33, 337.71 and 148.44 is: 222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.33 : 337.71 = 148.44 : x
  2. Step 2: Convert to fraction form
    225.33/337.71 = 148.44/x
  3. Step 3: Cross multiply
    225.33x = 337.71 × 148.44
  4. Step 4: Simplify right side
    225.33x = 50,129.67
  5. Step 5: Solve for x
    x = 50,129.67/225.33
  6. Step 6: Final answer
    x = 222.47

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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.