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Finding the Fourth Proportional to 3, 4.49 and 2.33

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Solution

The fourth proportional to 3, 4.49 and 2.33 is: 3.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3 : 4.49 = 2.33 : x
  2. Step 2: Convert to fraction form
    3/4.49 = 2.33/x
  3. Step 3: Cross multiply
    3x = 4.49 × 2.33
  4. Step 4: Simplify right side
    3x = 10.46
  5. Step 5: Solve for x
    x = 10.46/3
  6. Step 6: Final answer
    x = 3.49

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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.