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Finding the Fourth Proportional to 29.35, 40.41 and 22.06

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Solution

The fourth proportional to 29.35, 40.41 and 22.06 is: 30.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.35 : 40.41 = 22.06 : x
  2. Step 2: Convert to fraction form
    29.35/40.41 = 22.06/x
  3. Step 3: Cross multiply
    29.35x = 40.41 × 22.06
  4. Step 4: Simplify right side
    29.35x = 891.44
  5. Step 5: Solve for x
    x = 891.44/29.35
  6. Step 6: Final answer
    x = 30.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.