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Finding the Fourth Proportional to 137.43, 204.37 and 133.10

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Solution

The fourth proportional to 137.43, 204.37 and 133.10 is: 197.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137.43 : 204.37 = 133.10 : x
  2. Step 2: Convert to fraction form
    137.43/204.37 = 133.10/x
  3. Step 3: Cross multiply
    137.43x = 204.37 × 133.10
  4. Step 4: Simplify right side
    137.43x = 27,201.14
  5. Step 5: Solve for x
    x = 27,201.14/137.43
  6. Step 6: Final answer
    x = 197.93

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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.