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Finding the Fourth Proportional to 465.06, 641.79 and 268.60

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Solution

The fourth proportional to 465.06, 641.79 and 268.60 is: 370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.06 : 641.79 = 268.60 : x
  2. Step 2: Convert to fraction form
    465.06/641.79 = 268.60/x
  3. Step 3: Cross multiply
    465.06x = 641.79 × 268.60
  4. Step 4: Simplify right side
    465.06x = 172,384.79
  5. Step 5: Solve for x
    x = 172,384.79/465.06
  6. Step 6: Final answer
    x = 370.67

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