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Finding the Fourth Proportional to 29.75, 44.64 and 26.93

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Solution

The fourth proportional to 29.75, 44.64 and 26.93 is: 40.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.75 : 44.64 = 26.93 : x
  2. Step 2: Convert to fraction form
    29.75/44.64 = 26.93/x
  3. Step 3: Cross multiply
    29.75x = 44.64 × 26.93
  4. Step 4: Simplify right side
    29.75x = 1,202.16
  5. Step 5: Solve for x
    x = 1,202.16/29.75
  6. Step 6: Final answer
    x = 40.41

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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.