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Finding the Fourth Proportional to 33.12, 46.04 and 32.96

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Solution

The fourth proportional to 33.12, 46.04 and 32.96 is: 45.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.12 : 46.04 = 32.96 : x
  2. Step 2: Convert to fraction form
    33.12/46.04 = 32.96/x
  3. Step 3: Cross multiply
    33.12x = 46.04 × 32.96
  4. Step 4: Simplify right side
    33.12x = 1,517.48
  5. Step 5: Solve for x
    x = 1,517.48/33.12
  6. Step 6: Final answer
    x = 45.82

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.