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Finding the Fourth Proportional to 17.34, 23.74 and 16.82

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Solution

The fourth proportional to 17.34, 23.74 and 16.82 is: 23.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.34 : 23.74 = 16.82 : x
  2. Step 2: Convert to fraction form
    17.34/23.74 = 16.82/x
  3. Step 3: Cross multiply
    17.34x = 23.74 × 16.82
  4. Step 4: Simplify right side
    17.34x = 399.31
  5. Step 5: Solve for x
    x = 399.31/17.34
  6. Step 6: Final answer
    x = 23.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.