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Finding the Fourth Proportional to 33.65, 46.44 and 19.83

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Solution

The fourth proportional to 33.65, 46.44 and 19.83 is: 27.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.65 : 46.44 = 19.83 : x
  2. Step 2: Convert to fraction form
    33.65/46.44 = 19.83/x
  3. Step 3: Cross multiply
    33.65x = 46.44 × 19.83
  4. Step 4: Simplify right side
    33.65x = 921.00
  5. Step 5: Solve for x
    x = 921.00/33.65
  6. Step 6: Final answer
    x = 27.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.