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Finding the Fourth Proportional to 268.82, 373.46 and 266.29

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Solution

The fourth proportional to 268.82, 373.46 and 266.29 is: 369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.82 : 373.46 = 266.29 : x
  2. Step 2: Convert to fraction form
    268.82/373.46 = 266.29/x
  3. Step 3: Cross multiply
    268.82x = 373.46 × 266.29
  4. Step 4: Simplify right side
    268.82x = 99,447.90
  5. Step 5: Solve for x
    x = 99,447.90/268.82
  6. Step 6: Final answer
    x = 369.94

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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.