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Finding the Fourth Proportional to 577.77, 866.71 and 248.43

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Solution

The fourth proportional to 577.77, 866.71 and 248.43 is: 372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.77 : 866.71 = 248.43 : x
  2. Step 2: Convert to fraction form
    577.77/866.71 = 248.43/x
  3. Step 3: Cross multiply
    577.77x = 866.71 × 248.43
  4. Step 4: Simplify right side
    577.77x = 215,317.02
  5. Step 5: Solve for x
    x = 215,317.02/577.77
  6. Step 6: Final answer
    x = 372.67

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