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Finding the Fourth Proportional to 226.26, 313.42 and 208.02

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Solution

The fourth proportional to 226.26, 313.42 and 208.02 is: 288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.26 : 313.42 = 208.02 : x
  2. Step 2: Convert to fraction form
    226.26/313.42 = 208.02/x
  3. Step 3: Cross multiply
    226.26x = 313.42 × 208.02
  4. Step 4: Simplify right side
    226.26x = 65,196.59
  5. Step 5: Solve for x
    x = 65,196.59/226.26
  6. Step 6: Final answer
    x = 288.15

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.