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Finding the Fourth Proportional to 2,226.30, 3,338.82 and 666.24

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Solution

The fourth proportional to 2,226.30, 3,338.82 and 666.24 is: 999.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.30 : 3,338.82 = 666.24 : x
  2. Step 2: Convert to fraction form
    2,226.30/3,338.82 = 666.24/x
  3. Step 3: Cross multiply
    2,226.30x = 3,338.82 × 666.24
  4. Step 4: Simplify right side
    2,226.30x = 2,224,455.44
  5. Step 5: Solve for x
    x = 2,224,455.44/2,226.30
  6. Step 6: Final answer
    x = 999.17

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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.