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Finding the Fourth Proportional to 373.12, 559.89 and 210.91

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Solution

The fourth proportional to 373.12, 559.89 and 210.91 is: 316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.12 : 559.89 = 210.91 : x
  2. Step 2: Convert to fraction form
    373.12/559.89 = 210.91/x
  3. Step 3: Cross multiply
    373.12x = 559.89 × 210.91
  4. Step 4: Simplify right side
    373.12x = 118,086.40
  5. Step 5: Solve for x
    x = 118,086.40/373.12
  6. Step 6: Final answer
    x = 316.48

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