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Finding the Fourth Proportional to 23.45, 35.10 and 18.27

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Solution

The fourth proportional to 23.45, 35.10 and 18.27 is: 27.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.45 : 35.10 = 18.27 : x
  2. Step 2: Convert to fraction form
    23.45/35.10 = 18.27/x
  3. Step 3: Cross multiply
    23.45x = 35.10 × 18.27
  4. Step 4: Simplify right side
    23.45x = 641.28
  5. Step 5: Solve for x
    x = 641.28/23.45
  6. Step 6: Final answer
    x = 27.35

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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.