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Finding the Fourth Proportional to 33.29, 49.52 and 33.19

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Solution

The fourth proportional to 33.29, 49.52 and 33.19 is: 49.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.29 : 49.52 = 33.19 : x
  2. Step 2: Convert to fraction form
    33.29/49.52 = 33.19/x
  3. Step 3: Cross multiply
    33.29x = 49.52 × 33.19
  4. Step 4: Simplify right side
    33.29x = 1,643.57
  5. Step 5: Solve for x
    x = 1,643.57/33.29
  6. Step 6: Final answer
    x = 49.37

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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.