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Finding the Fourth Proportional to 632.43, 948.87 and 307.98

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Solution

The fourth proportional to 632.43, 948.87 and 307.98 is: 462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.43 : 948.87 = 307.98 : x
  2. Step 2: Convert to fraction form
    632.43/948.87 = 307.98/x
  3. Step 3: Cross multiply
    632.43x = 948.87 × 307.98
  4. Step 4: Simplify right side
    632.43x = 292,232.98
  5. Step 5: Solve for x
    x = 292,232.98/632.43
  6. Step 6: Final answer
    x = 462.08

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