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Finding the Fourth Proportional to 33.48, 46.48 and 33.18

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Solution

The fourth proportional to 33.48, 46.48 and 33.18 is: 46.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.48 : 46.48 = 33.18 : x
  2. Step 2: Convert to fraction form
    33.48/46.48 = 33.18/x
  3. Step 3: Cross multiply
    33.48x = 46.48 × 33.18
  4. Step 4: Simplify right side
    33.48x = 1,542.21
  5. Step 5: Solve for x
    x = 1,542.21/33.48
  6. Step 6: Final answer
    x = 46.06

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.