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Finding the Fourth Proportional to 54.68, 82.04 and 22.62

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Solution

The fourth proportional to 54.68, 82.04 and 22.62 is: 33.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.68 : 82.04 = 22.62 : x
  2. Step 2: Convert to fraction form
    54.68/82.04 = 22.62/x
  3. Step 3: Cross multiply
    54.68x = 82.04 × 22.62
  4. Step 4: Simplify right side
    54.68x = 1,855.74
  5. Step 5: Solve for x
    x = 1,855.74/54.68
  6. Step 6: Final answer
    x = 33.94

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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.