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Finding the Fourth Proportional to 148.07, 203.08 and 144.41

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Solution

The fourth proportional to 148.07, 203.08 and 144.41 is: 198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.07 : 203.08 = 144.41 : x
  2. Step 2: Convert to fraction form
    148.07/203.08 = 144.41/x
  3. Step 3: Cross multiply
    148.07x = 203.08 × 144.41
  4. Step 4: Simplify right side
    148.07x = 29,326.78
  5. Step 5: Solve for x
    x = 29,326.78/148.07
  6. Step 6: Final answer
    x = 198.06

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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.