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Finding the Fourth Proportional to 23.94, 33.30 and 23.82

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Solution

The fourth proportional to 23.94, 33.30 and 23.82 is: 33.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.94 : 33.30 = 23.82 : x
  2. Step 2: Convert to fraction form
    23.94/33.30 = 23.82/x
  3. Step 3: Cross multiply
    23.94x = 33.30 × 23.82
  4. Step 4: Simplify right side
    23.94x = 793.21
  5. Step 5: Solve for x
    x = 793.21/23.94
  6. Step 6: Final answer
    x = 33.13

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.