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Finding the Fourth Proportional to 2.33, 3.48 and 1.95

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Solution

The fourth proportional to 2.33, 3.48 and 1.95 is: 2.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.33 : 3.48 = 1.95 : x
  2. Step 2: Convert to fraction form
    2.33/3.48 = 1.95/x
  3. Step 3: Cross multiply
    2.33x = 3.48 × 1.95
  4. Step 4: Simplify right side
    2.33x = 6.79
  5. Step 5: Solve for x
    x = 6.79/2.33
  6. Step 6: Final answer
    x = 2.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.