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Finding the Fourth Proportional to 335.73, 462.96 and 242.28

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Solution

The fourth proportional to 335.73, 462.96 and 242.28 is: 334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.73 : 462.96 = 242.28 : x
  2. Step 2: Convert to fraction form
    335.73/462.96 = 242.28/x
  3. Step 3: Cross multiply
    335.73x = 462.96 × 242.28
  4. Step 4: Simplify right side
    335.73x = 112,165.95
  5. Step 5: Solve for x
    x = 112,165.95/335.73
  6. Step 6: Final answer
    x = 334.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.