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Finding the Fourth Proportional to 544.67, 815.45 and 313.14

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Solution

The fourth proportional to 544.67, 815.45 and 313.14 is: 468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.67 : 815.45 = 313.14 : x
  2. Step 2: Convert to fraction form
    544.67/815.45 = 313.14/x
  3. Step 3: Cross multiply
    544.67x = 815.45 × 313.14
  4. Step 4: Simplify right side
    544.67x = 255,348.45
  5. Step 5: Solve for x
    x = 255,348.45/544.67
  6. Step 6: Final answer
    x = 468.82

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