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Finding the Fourth Proportional to 6.28, 9.36 and 5.98

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Solution

The fourth proportional to 6.28, 9.36 and 5.98 is: 8.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.28 : 9.36 = 5.98 : x
  2. Step 2: Convert to fraction form
    6.28/9.36 = 5.98/x
  3. Step 3: Cross multiply
    6.28x = 9.36 × 5.98
  4. Step 4: Simplify right side
    6.28x = 55.97
  5. Step 5: Solve for x
    x = 55.97/6.28
  6. Step 6: Final answer
    x = 8.91

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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.