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Finding the Fourth Proportional to 533.80, 736.63 and 300.92

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Solution

The fourth proportional to 533.80, 736.63 and 300.92 is: 415.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.80 : 736.63 = 300.92 : x
  2. Step 2: Convert to fraction form
    533.80/736.63 = 300.92/x
  3. Step 3: Cross multiply
    533.80x = 736.63 × 300.92
  4. Step 4: Simplify right side
    533.80x = 221,666.70
  5. Step 5: Solve for x
    x = 221,666.70/533.80
  6. Step 6: Final answer
    x = 415.26

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