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Finding the Fourth Proportional to 33.01, 49.43 and 19.48

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Solution

The fourth proportional to 33.01, 49.43 and 19.48 is: 29.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.01 : 49.43 = 19.48 : x
  2. Step 2: Convert to fraction form
    33.01/49.43 = 19.48/x
  3. Step 3: Cross multiply
    33.01x = 49.43 × 19.48
  4. Step 4: Simplify right side
    33.01x = 962.55
  5. Step 5: Solve for x
    x = 962.55/33.01
  6. Step 6: Final answer
    x = 29.16

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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.