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Finding the Fourth Proportional to 10.23, 15.33 and 5.95

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Solution

The fourth proportional to 10.23, 15.33 and 5.95 is: 8.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.23 : 15.33 = 5.95 : x
  2. Step 2: Convert to fraction form
    10.23/15.33 = 5.95/x
  3. Step 3: Cross multiply
    10.23x = 15.33 × 5.95
  4. Step 4: Simplify right side
    10.23x = 91.14
  5. Step 5: Solve for x
    x = 91.14/10.23
  6. Step 6: Final answer
    x = 8.91

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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.