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Finding the Fourth Proportional to 33.09, 45.60 and 26.94

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Solution

The fourth proportional to 33.09, 45.60 and 26.94 is: 37.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.09 : 45.60 = 26.94 : x
  2. Step 2: Convert to fraction form
    33.09/45.60 = 26.94/x
  3. Step 3: Cross multiply
    33.09x = 45.60 × 26.94
  4. Step 4: Simplify right side
    33.09x = 1,228.46
  5. Step 5: Solve for x
    x = 1,228.46/33.09
  6. Step 6: Final answer
    x = 37.12

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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.