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Finding the Fourth Proportional to 33.17, 49.97 and 30.35

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Solution

The fourth proportional to 33.17, 49.97 and 30.35 is: 45.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.17 : 49.97 = 30.35 : x
  2. Step 2: Convert to fraction form
    33.17/49.97 = 30.35/x
  3. Step 3: Cross multiply
    33.17x = 49.97 × 30.35
  4. Step 4: Simplify right side
    33.17x = 1,516.79
  5. Step 5: Solve for x
    x = 1,516.79/33.17
  6. Step 6: Final answer
    x = 45.73

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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.