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Finding the Fourth Proportional to 134.26, 184.07 and 127.88

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Solution

The fourth proportional to 134.26, 184.07 and 127.88 is: 175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.26 : 184.07 = 127.88 : x
  2. Step 2: Convert to fraction form
    134.26/184.07 = 127.88/x
  3. Step 3: Cross multiply
    134.26x = 184.07 × 127.88
  4. Step 4: Simplify right side
    134.26x = 23,538.96
  5. Step 5: Solve for x
    x = 23,538.96/134.26
  6. Step 6: Final answer
    x = 175.33

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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.