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Finding the Fourth Proportional to 400.44, 599.91 and 357.55

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Solution

The fourth proportional to 400.44, 599.91 and 357.55 is: 535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.44 : 599.91 = 357.55 : x
  2. Step 2: Convert to fraction form
    400.44/599.91 = 357.55/x
  3. Step 3: Cross multiply
    400.44x = 599.91 × 357.55
  4. Step 4: Simplify right side
    400.44x = 214,497.82
  5. Step 5: Solve for x
    x = 214,497.82/400.44
  6. Step 6: Final answer
    x = 535.66

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