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Finding the Fourth Proportional to 607.18, 909.93 and 318.04

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Solution

The fourth proportional to 607.18, 909.93 and 318.04 is: 476.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.18 : 909.93 = 318.04 : x
  2. Step 2: Convert to fraction form
    607.18/909.93 = 318.04/x
  3. Step 3: Cross multiply
    607.18x = 909.93 × 318.04
  4. Step 4: Simplify right side
    607.18x = 289,394.14
  5. Step 5: Solve for x
    x = 289,394.14/607.18
  6. Step 6: Final answer
    x = 476.62

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