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Finding the Fourth Proportional to 33.51, 46.26 and 30.09

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Solution

The fourth proportional to 33.51, 46.26 and 30.09 is: 41.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.51 : 46.26 = 30.09 : x
  2. Step 2: Convert to fraction form
    33.51/46.26 = 30.09/x
  3. Step 3: Cross multiply
    33.51x = 46.26 × 30.09
  4. Step 4: Simplify right side
    33.51x = 1,391.96
  5. Step 5: Solve for x
    x = 1,391.96/33.51
  6. Step 6: Final answer
    x = 41.54

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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.