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Finding the Fourth Proportional to 134.75, 203.02 and 122.41

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Solution

The fourth proportional to 134.75, 203.02 and 122.41 is: 184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.75 : 203.02 = 122.41 : x
  2. Step 2: Convert to fraction form
    134.75/203.02 = 122.41/x
  3. Step 3: Cross multiply
    134.75x = 203.02 × 122.41
  4. Step 4: Simplify right side
    134.75x = 24,851.37
  5. Step 5: Solve for x
    x = 24,851.37/134.75
  6. Step 6: Final answer
    x = 184.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.