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Finding the Fourth Proportional to 366.18, 549.26 and 203.76

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Solution

The fourth proportional to 366.18, 549.26 and 203.76 is: 305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.18 : 549.26 = 203.76 : x
  2. Step 2: Convert to fraction form
    366.18/549.26 = 203.76/x
  3. Step 3: Cross multiply
    366.18x = 549.26 × 203.76
  4. Step 4: Simplify right side
    366.18x = 111,916.20
  5. Step 5: Solve for x
    x = 111,916.20/366.18
  6. Step 6: Final answer
    x = 305.63

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