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Finding the Fourth Proportional to 9.41, 14.19 and 9.31

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Solution

The fourth proportional to 9.41, 14.19 and 9.31 is: 14.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.41 : 14.19 = 9.31 : x
  2. Step 2: Convert to fraction form
    9.41/14.19 = 9.31/x
  3. Step 3: Cross multiply
    9.41x = 14.19 × 9.31
  4. Step 4: Simplify right side
    9.41x = 132.06
  5. Step 5: Solve for x
    x = 132.06/9.41
  6. Step 6: Final answer
    x = 14.03

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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.