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Finding the Fourth Proportional to 134.02, 201.24 and 108.38

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Solution

The fourth proportional to 134.02, 201.24 and 108.38 is: 162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.02 : 201.24 = 108.38 : x
  2. Step 2: Convert to fraction form
    134.02/201.24 = 108.38/x
  3. Step 3: Cross multiply
    134.02x = 201.24 × 108.38
  4. Step 4: Simplify right side
    134.02x = 21,810.39
  5. Step 5: Solve for x
    x = 21,810.39/134.02
  6. Step 6: Final answer
    x = 162.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.