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Finding the Fourth Proportional to 23.45, 35.32 and 22.10

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Solution

The fourth proportional to 23.45, 35.32 and 22.10 is: 33.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.45 : 35.32 = 22.10 : x
  2. Step 2: Convert to fraction form
    23.45/35.32 = 22.10/x
  3. Step 3: Cross multiply
    23.45x = 35.32 × 22.10
  4. Step 4: Simplify right side
    23.45x = 780.46
  5. Step 5: Solve for x
    x = 780.46/23.45
  6. Step 6: Final answer
    x = 33.28

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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.