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Finding the Fourth Proportional to 248.82, 373.23 and 207.78

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Solution

The fourth proportional to 248.82, 373.23 and 207.78 is: 311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.82 : 373.23 = 207.78 : x
  2. Step 2: Convert to fraction form
    248.82/373.23 = 207.78/x
  3. Step 3: Cross multiply
    248.82x = 373.23 × 207.78
  4. Step 4: Simplify right side
    248.82x = 77,549.73
  5. Step 5: Solve for x
    x = 77,549.73/248.82
  6. Step 6: Final answer
    x = 311.67

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