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Finding the Fourth Proportional to 148.41, 222.57 and 97.41

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Solution

The fourth proportional to 148.41, 222.57 and 97.41 is: 146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.41 : 222.57 = 97.41 : x
  2. Step 2: Convert to fraction form
    148.41/222.57 = 97.41/x
  3. Step 3: Cross multiply
    148.41x = 222.57 × 97.41
  4. Step 4: Simplify right side
    148.41x = 21,680.54
  5. Step 5: Solve for x
    x = 21,680.54/148.41
  6. Step 6: Final answer
    x = 146.09

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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.