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Finding the Fourth Proportional to 573.21, 859.45 and 207.93

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Solution

The fourth proportional to 573.21, 859.45 and 207.93 is: 311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.21 : 859.45 = 207.93 : x
  2. Step 2: Convert to fraction form
    573.21/859.45 = 207.93/x
  3. Step 3: Cross multiply
    573.21x = 859.45 × 207.93
  4. Step 4: Simplify right side
    573.21x = 178,705.44
  5. Step 5: Solve for x
    x = 178,705.44/573.21
  6. Step 6: Final answer
    x = 311.76

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