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Finding the Fourth Proportional to 23.35, 35.17 and 17.38

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Solution

The fourth proportional to 23.35, 35.17 and 17.38 is: 26.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.35 : 35.17 = 17.38 : x
  2. Step 2: Convert to fraction form
    23.35/35.17 = 17.38/x
  3. Step 3: Cross multiply
    23.35x = 35.17 × 17.38
  4. Step 4: Simplify right side
    23.35x = 611.08
  5. Step 5: Solve for x
    x = 611.08/23.35
  6. Step 6: Final answer
    x = 26.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.