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Finding the Fourth Proportional to 392.00, 588.30 and 282.65

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Solution

The fourth proportional to 392.00, 588.30 and 282.65 is: 424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    392.00 : 588.30 = 282.65 : x
  2. Step 2: Convert to fraction form
    392.00/588.30 = 282.65/x
  3. Step 3: Cross multiply
    392.00x = 588.30 × 282.65
  4. Step 4: Simplify right side
    392.00x = 166,278.99
  5. Step 5: Solve for x
    x = 166,278.99/392.00
  6. Step 6: Final answer
    x = 424.19

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