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Finding the Fourth Proportional to 268.71, 370.04 and 185.69

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Solution

The fourth proportional to 268.71, 370.04 and 185.69 is: 255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.71 : 370.04 = 185.69 : x
  2. Step 2: Convert to fraction form
    268.71/370.04 = 185.69/x
  3. Step 3: Cross multiply
    268.71x = 370.04 × 185.69
  4. Step 4: Simplify right side
    268.71x = 68,709.95
  5. Step 5: Solve for x
    x = 68,709.95/268.71
  6. Step 6: Final answer
    x = 255.70

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