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Finding the Fourth Proportional to 268.22, 369.81 and 174.83

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Solution

The fourth proportional to 268.22, 369.81 and 174.83 is: 241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.22 : 369.81 = 174.83 : x
  2. Step 2: Convert to fraction form
    268.22/369.81 = 174.83/x
  3. Step 3: Cross multiply
    268.22x = 369.81 × 174.83
  4. Step 4: Simplify right side
    268.22x = 64,653.88
  5. Step 5: Solve for x
    x = 64,653.88/268.22
  6. Step 6: Final answer
    x = 241.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.