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Finding the Fourth Proportional to 453.04, 679.56 and 308.86

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Solution

The fourth proportional to 453.04, 679.56 and 308.86 is: 463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.04 : 679.56 = 308.86 : x
  2. Step 2: Convert to fraction form
    453.04/679.56 = 308.86/x
  3. Step 3: Cross multiply
    453.04x = 679.56 × 308.86
  4. Step 4: Simplify right side
    453.04x = 209,888.90
  5. Step 5: Solve for x
    x = 209,888.90/453.04
  6. Step 6: Final answer
    x = 463.29

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