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Finding the Fourth Proportional to 268.36, 402.66 and 124.04

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Solution

The fourth proportional to 268.36, 402.66 and 124.04 is: 186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.36 : 402.66 = 124.04 : x
  2. Step 2: Convert to fraction form
    268.36/402.66 = 124.04/x
  3. Step 3: Cross multiply
    268.36x = 402.66 × 124.04
  4. Step 4: Simplify right side
    268.36x = 49,945.95
  5. Step 5: Solve for x
    x = 49,945.95/268.36
  6. Step 6: Final answer
    x = 186.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.