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Finding the Fourth Proportional to 471.09, 706.71 and 146.43

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Solution

The fourth proportional to 471.09, 706.71 and 146.43 is: 219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.09 : 706.71 = 146.43 : x
  2. Step 2: Convert to fraction form
    471.09/706.71 = 146.43/x
  3. Step 3: Cross multiply
    471.09x = 706.71 × 146.43
  4. Step 4: Simplify right side
    471.09x = 103,483.55
  5. Step 5: Solve for x
    x = 103,483.55/471.09
  6. Step 6: Final answer
    x = 219.67

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