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Finding the Fourth Proportional to 148.01, 220.96 and 124.94

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Solution

The fourth proportional to 148.01, 220.96 and 124.94 is: 186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.01 : 220.96 = 124.94 : x
  2. Step 2: Convert to fraction form
    148.01/220.96 = 124.94/x
  3. Step 3: Cross multiply
    148.01x = 220.96 × 124.94
  4. Step 4: Simplify right side
    148.01x = 27,605.33
  5. Step 5: Solve for x
    x = 27,605.33/148.01
  6. Step 6: Final answer
    x = 186.52

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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.