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Finding the Fourth Proportional to 469.11, 703.67 and 253.11

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Solution

The fourth proportional to 469.11, 703.67 and 253.11 is: 379.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.11 : 703.67 = 253.11 : x
  2. Step 2: Convert to fraction form
    469.11/703.67 = 253.11/x
  3. Step 3: Cross multiply
    469.11x = 703.67 × 253.11
  4. Step 4: Simplify right side
    469.11x = 178,105.91
  5. Step 5: Solve for x
    x = 178,105.91/469.11
  6. Step 6: Final answer
    x = 379.67

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