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Finding the Fourth Proportional to 33.29, 49.62 and 31.33

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Solution

The fourth proportional to 33.29, 49.62 and 31.33 is: 46.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.29 : 49.62 = 31.33 : x
  2. Step 2: Convert to fraction form
    33.29/49.62 = 31.33/x
  3. Step 3: Cross multiply
    33.29x = 49.62 × 31.33
  4. Step 4: Simplify right side
    33.29x = 1,554.77
  5. Step 5: Solve for x
    x = 1,554.77/33.29
  6. Step 6: Final answer
    x = 46.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.