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Finding the Fourth Proportional to 533.85, 799.86 and 290.55

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Solution

The fourth proportional to 533.85, 799.86 and 290.55 is: 435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.85 : 799.86 = 290.55 : x
  2. Step 2: Convert to fraction form
    533.85/799.86 = 290.55/x
  3. Step 3: Cross multiply
    533.85x = 799.86 × 290.55
  4. Step 4: Simplify right side
    533.85x = 232,399.32
  5. Step 5: Solve for x
    x = 232,399.32/533.85
  6. Step 6: Final answer
    x = 435.33

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