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Finding the Fourth Proportional to 54.92, 82.34 and 41.36

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Solution

The fourth proportional to 54.92, 82.34 and 41.36 is: 62.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54.92 : 82.34 = 41.36 : x
  2. Step 2: Convert to fraction form
    54.92/82.34 = 41.36/x
  3. Step 3: Cross multiply
    54.92x = 82.34 × 41.36
  4. Step 4: Simplify right side
    54.92x = 3,405.58
  5. Step 5: Solve for x
    x = 3,405.58/54.92
  6. Step 6: Final answer
    x = 62.01

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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.