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Finding the Fourth Proportional to 335.05, 462.26 and 210.72

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Solution

The fourth proportional to 335.05, 462.26 and 210.72 is: 290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.05 : 462.26 = 210.72 : x
  2. Step 2: Convert to fraction form
    335.05/462.26 = 210.72/x
  3. Step 3: Cross multiply
    335.05x = 462.26 × 210.72
  4. Step 4: Simplify right side
    335.05x = 97,408.90
  5. Step 5: Solve for x
    x = 97,408.90/335.05
  6. Step 6: Final answer
    x = 290.73

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