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Finding the Fourth Proportional to 374.58, 516.93 and 208.83

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Solution

The fourth proportional to 374.58, 516.93 and 208.83 is: 288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.58 : 516.93 = 208.83 : x
  2. Step 2: Convert to fraction form
    374.58/516.93 = 208.83/x
  3. Step 3: Cross multiply
    374.58x = 516.93 × 208.83
  4. Step 4: Simplify right side
    374.58x = 107,950.49
  5. Step 5: Solve for x
    x = 107,950.49/374.58
  6. Step 6: Final answer
    x = 288.19

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