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Finding the Fourth Proportional to 351.34, 526.21 and 168.86

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Solution

The fourth proportional to 351.34, 526.21 and 168.86 is: 252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.34 : 526.21 = 168.86 : x
  2. Step 2: Convert to fraction form
    351.34/526.21 = 168.86/x
  3. Step 3: Cross multiply
    351.34x = 526.21 × 168.86
  4. Step 4: Simplify right side
    351.34x = 88,854.98
  5. Step 5: Solve for x
    x = 88,854.98/351.34
  6. Step 6: Final answer
    x = 252.91

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