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Finding the Fourth Proportional to 6.33, 9.49 and 2.72

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Solution

The fourth proportional to 6.33, 9.49 and 2.72 is: 4.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.33 : 9.49 = 2.72 : x
  2. Step 2: Convert to fraction form
    6.33/9.49 = 2.72/x
  3. Step 3: Cross multiply
    6.33x = 9.49 × 2.72
  4. Step 4: Simplify right side
    6.33x = 25.79
  5. Step 5: Solve for x
    x = 25.79/6.33
  6. Step 6: Final answer
    x = 4.08

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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.