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Finding the Fourth Proportional to 519.26, 777.68 and 302.99

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Solution

The fourth proportional to 519.26, 777.68 and 302.99 is: 453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    519.26 : 777.68 = 302.99 : x
  2. Step 2: Convert to fraction form
    519.26/777.68 = 302.99/x
  3. Step 3: Cross multiply
    519.26x = 777.68 × 302.99
  4. Step 4: Simplify right side
    519.26x = 235,628.52
  5. Step 5: Solve for x
    x = 235,628.52/519.26
  6. Step 6: Final answer
    x = 453.78

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