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Finding the Fourth Proportional to 134.53, 185.56 and 118.97

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Solution

The fourth proportional to 134.53, 185.56 and 118.97 is: 164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.53 : 185.56 = 118.97 : x
  2. Step 2: Convert to fraction form
    134.53/185.56 = 118.97/x
  3. Step 3: Cross multiply
    134.53x = 185.56 × 118.97
  4. Step 4: Simplify right side
    134.53x = 22,075.54
  5. Step 5: Solve for x
    x = 22,075.54/134.53
  6. Step 6: Final answer
    x = 164.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.