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Finding the Fourth Proportional to 33.45, 50.17 and 10.62

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Solution

The fourth proportional to 33.45, 50.17 and 10.62 is: 15.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.45 : 50.17 = 10.62 : x
  2. Step 2: Convert to fraction form
    33.45/50.17 = 10.62/x
  3. Step 3: Cross multiply
    33.45x = 50.17 × 10.62
  4. Step 4: Simplify right side
    33.45x = 532.83
  5. Step 5: Solve for x
    x = 532.83/33.45
  6. Step 6: Final answer
    x = 15.93

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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.