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Finding the Fourth Proportional to 268.08, 369 and 246.84

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Solution

The fourth proportional to 268.08, 369 and 246.84 is: 339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.08 : 369 = 246.84 : x
  2. Step 2: Convert to fraction form
    268.08/369 = 246.84/x
  3. Step 3: Cross multiply
    268.08x = 369 × 246.84
  4. Step 4: Simplify right side
    268.08x = 91,083.96
  5. Step 5: Solve for x
    x = 91,083.96/268.08
  6. Step 6: Final answer
    x = 339.76

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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.