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Finding the Fourth Proportional to 36.18, 54.59 and 32.22

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Solution

The fourth proportional to 36.18, 54.59 and 32.22 is: 48.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.18 : 54.59 = 32.22 : x
  2. Step 2: Convert to fraction form
    36.18/54.59 = 32.22/x
  3. Step 3: Cross multiply
    36.18x = 54.59 × 32.22
  4. Step 4: Simplify right side
    36.18x = 1,758.73
  5. Step 5: Solve for x
    x = 1,758.73/36.18
  6. Step 6: Final answer
    x = 48.61

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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.