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Finding the Fourth Proportional to 22.36, 33.55 and 7.14

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Solution

The fourth proportional to 22.36, 33.55 and 7.14 is: 10.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.36 : 33.55 = 7.14 : x
  2. Step 2: Convert to fraction form
    22.36/33.55 = 7.14/x
  3. Step 3: Cross multiply
    22.36x = 33.55 × 7.14
  4. Step 4: Simplify right side
    22.36x = 239.67
  5. Step 5: Solve for x
    x = 239.67/22.36
  6. Step 6: Final answer
    x = 10.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.