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Finding the Fourth Proportional to 347.16, 520.91 and 164.60

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Solution

The fourth proportional to 347.16, 520.91 and 164.60 is: 246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.16 : 520.91 = 164.60 : x
  2. Step 2: Convert to fraction form
    347.16/520.91 = 164.60/x
  3. Step 3: Cross multiply
    347.16x = 520.91 × 164.60
  4. Step 4: Simplify right side
    347.16x = 85,741.79
  5. Step 5: Solve for x
    x = 85,741.79/347.16
  6. Step 6: Final answer
    x = 246.98

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