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Finding the Fourth Proportional to 27.51, 37.97 and 22.05

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Solution

The fourth proportional to 27.51, 37.97 and 22.05 is: 30.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.51 : 37.97 = 22.05 : x
  2. Step 2: Convert to fraction form
    27.51/37.97 = 22.05/x
  3. Step 3: Cross multiply
    27.51x = 37.97 × 22.05
  4. Step 4: Simplify right side
    27.51x = 836.94
  5. Step 5: Solve for x
    x = 836.94/27.51
  6. Step 6: Final answer
    x = 30.43

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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.