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Finding the Fourth Proportional to 1,151.76, 1,727.08 and 382

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Solution

The fourth proportional to 1,151.76, 1,727.08 and 382 is: 572.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.76 : 1,727.08 = 382 : x
  2. Step 2: Convert to fraction form
    1,151.76/1,727.08 = 382/x
  3. Step 3: Cross multiply
    1,151.76x = 1,727.08 × 382
  4. Step 4: Simplify right side
    1,151.76x = 659,744.56
  5. Step 5: Solve for x
    x = 659,744.56/1,151.76
  6. Step 6: Final answer
    x = 572.81

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