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Finding the Fourth Proportional to 342.82, 473.04 and 202.91

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Solution

The fourth proportional to 342.82, 473.04 and 202.91 is: 279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    342.82 : 473.04 = 202.91 : x
  2. Step 2: Convert to fraction form
    342.82/473.04 = 202.91/x
  3. Step 3: Cross multiply
    342.82x = 473.04 × 202.91
  4. Step 4: Simplify right side
    342.82x = 95,984.55
  5. Step 5: Solve for x
    x = 95,984.55/342.82
  6. Step 6: Final answer
    x = 279.99

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