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Finding the Fourth Proportional to 556.14, 834.35 and 209.48

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Solution

The fourth proportional to 556.14, 834.35 and 209.48 is: 314.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.14 : 834.35 = 209.48 : x
  2. Step 2: Convert to fraction form
    556.14/834.35 = 209.48/x
  3. Step 3: Cross multiply
    556.14x = 834.35 × 209.48
  4. Step 4: Simplify right side
    556.14x = 174,779.64
  5. Step 5: Solve for x
    x = 174,779.64/556.14
  6. Step 6: Final answer
    x = 314.27

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