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Finding the Fourth Proportional to 403.88, 557.26 and 264.02

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Solution

The fourth proportional to 403.88, 557.26 and 264.02 is: 364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.88 : 557.26 = 264.02 : x
  2. Step 2: Convert to fraction form
    403.88/557.26 = 264.02/x
  3. Step 3: Cross multiply
    403.88x = 557.26 × 264.02
  4. Step 4: Simplify right side
    403.88x = 147,127.79
  5. Step 5: Solve for x
    x = 147,127.79/403.88
  6. Step 6: Final answer
    x = 364.29

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