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Finding the Fourth Proportional to 268.04, 367.88 and 243.44

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Solution

The fourth proportional to 268.04, 367.88 and 243.44 is: 334.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.04 : 367.88 = 243.44 : x
  2. Step 2: Convert to fraction form
    268.04/367.88 = 243.44/x
  3. Step 3: Cross multiply
    268.04x = 367.88 × 243.44
  4. Step 4: Simplify right side
    268.04x = 89,556.71
  5. Step 5: Solve for x
    x = 89,556.71/268.04
  6. Step 6: Final answer
    x = 334.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.