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Finding the Fourth Proportional to 29.37, 44.02 and 12.26

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Solution

The fourth proportional to 29.37, 44.02 and 12.26 is: 18.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.37 : 44.02 = 12.26 : x
  2. Step 2: Convert to fraction form
    29.37/44.02 = 12.26/x
  3. Step 3: Cross multiply
    29.37x = 44.02 × 12.26
  4. Step 4: Simplify right side
    29.37x = 539.69
  5. Step 5: Solve for x
    x = 539.69/29.37
  6. Step 6: Final answer
    x = 18.38

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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.