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Finding the Fourth Proportional to 376.95, 564.48 and 308.64

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Solution

The fourth proportional to 376.95, 564.48 and 308.64 is: 462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.95 : 564.48 = 308.64 : x
  2. Step 2: Convert to fraction form
    376.95/564.48 = 308.64/x
  3. Step 3: Cross multiply
    376.95x = 564.48 × 308.64
  4. Step 4: Simplify right side
    376.95x = 174,221.11
  5. Step 5: Solve for x
    x = 174,221.11/376.95
  6. Step 6: Final answer
    x = 462.19

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