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Finding the Fourth Proportional to 335.85, 463.25 and 242.43

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Solution

The fourth proportional to 335.85, 463.25 and 242.43 is: 334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.85 : 463.25 = 242.43 : x
  2. Step 2: Convert to fraction form
    335.85/463.25 = 242.43/x
  3. Step 3: Cross multiply
    335.85x = 463.25 × 242.43
  4. Step 4: Simplify right side
    335.85x = 112,304.57
  5. Step 5: Solve for x
    x = 112,304.57/335.85
  6. Step 6: Final answer
    x = 334.39

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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.