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Finding the Fourth Proportional to 5.29, 7.96 and 4.54

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Solution

The fourth proportional to 5.29, 7.96 and 4.54 is: 6.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.29 : 7.96 = 4.54 : x
  2. Step 2: Convert to fraction form
    5.29/7.96 = 4.54/x
  3. Step 3: Cross multiply
    5.29x = 7.96 × 4.54
  4. Step 4: Simplify right side
    5.29x = 36.10
  5. Step 5: Solve for x
    x = 36.10/5.29
  6. Step 6: Final answer
    x = 6.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.