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Finding the Fourth Proportional to 654.71, 903.53 and 360

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Solution

The fourth proportional to 654.71, 903.53 and 360 is: 496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.71 : 903.53 = 360 : x
  2. Step 2: Convert to fraction form
    654.71/903.53 = 360/x
  3. Step 3: Cross multiply
    654.71x = 903.53 × 360
  4. Step 4: Simplify right side
    654.71x = 325,271.70
  5. Step 5: Solve for x
    x = 325,271.70/654.71
  6. Step 6: Final answer
    x = 496.82

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