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Finding the Fourth Proportional to 564.81, 779.00 and 440.07

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Solution

The fourth proportional to 564.81, 779.00 and 440.07 is: 606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    564.81 : 779.00 = 440.07 : x
  2. Step 2: Convert to fraction form
    564.81/779.00 = 440.07/x
  3. Step 3: Cross multiply
    564.81x = 779.00 × 440.07
  4. Step 4: Simplify right side
    564.81x = 342,812.33
  5. Step 5: Solve for x
    x = 342,812.33/564.81
  6. Step 6: Final answer
    x = 606.95

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