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Finding the Fourth Proportional to 33.65, 46.47 and 25.49

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Solution

The fourth proportional to 33.65, 46.47 and 25.49 is: 35.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.65 : 46.47 = 25.49 : x
  2. Step 2: Convert to fraction form
    33.65/46.47 = 25.49/x
  3. Step 3: Cross multiply
    33.65x = 46.47 × 25.49
  4. Step 4: Simplify right side
    33.65x = 1,184.29
  5. Step 5: Solve for x
    x = 1,184.29/33.65
  6. Step 6: Final answer
    x = 35.20

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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.