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Finding the Fourth Proportional to 347.02, 519.86 and 207.76

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Solution

The fourth proportional to 347.02, 519.86 and 207.76 is: 311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.02 : 519.86 = 207.76 : x
  2. Step 2: Convert to fraction form
    347.02/519.86 = 207.76/x
  3. Step 3: Cross multiply
    347.02x = 519.86 × 207.76
  4. Step 4: Simplify right side
    347.02x = 108,006.11
  5. Step 5: Solve for x
    x = 108,006.11/347.02
  6. Step 6: Final answer
    x = 311.24

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