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Finding the Fourth Proportional to 557, 768.72 and 350

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Solution

The fourth proportional to 557, 768.72 and 350 is: 483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    557 : 768.72 = 350 : x
  2. Step 2: Convert to fraction form
    557/768.72 = 350/x
  3. Step 3: Cross multiply
    557x = 768.72 × 350
  4. Step 4: Simplify right side
    557x = 269,052
  5. Step 5: Solve for x
    x = 269,052/557
  6. Step 6: Final answer
    x = 483.04

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