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Finding the Fourth Proportional to 9.50, 14.19 and 7.25

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Solution

The fourth proportional to 9.50, 14.19 and 7.25 is: 10.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.50 : 14.19 = 7.25 : x
  2. Step 2: Convert to fraction form
    9.50/14.19 = 7.25/x
  3. Step 3: Cross multiply
    9.50x = 14.19 × 7.25
  4. Step 4: Simplify right side
    9.50x = 102.81
  5. Step 5: Solve for x
    x = 102.81/9.50
  6. Step 6: Final answer
    x = 10.83

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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.