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Finding the Fourth Proportional to 14.81, 22.10 and 13.33

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Solution

The fourth proportional to 14.81, 22.10 and 13.33 is: 19.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.81 : 22.10 = 13.33 : x
  2. Step 2: Convert to fraction form
    14.81/22.10 = 13.33/x
  3. Step 3: Cross multiply
    14.81x = 22.10 × 13.33
  4. Step 4: Simplify right side
    14.81x = 294.50
  5. Step 5: Solve for x
    x = 294.50/14.81
  6. Step 6: Final answer
    x = 19.89

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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.