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Finding the Fourth Proportional to 132.14, 199.37 and 127.59

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Solution

The fourth proportional to 132.14, 199.37 and 127.59 is: 192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.14 : 199.37 = 127.59 : x
  2. Step 2: Convert to fraction form
    132.14/199.37 = 127.59/x
  3. Step 3: Cross multiply
    132.14x = 199.37 × 127.59
  4. Step 4: Simplify right side
    132.14x = 25,436.98
  5. Step 5: Solve for x
    x = 25,436.98/132.14
  6. Step 6: Final answer
    x = 192.51

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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.