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Finding the Fourth Proportional to 335.92, 463.49 and 242.87

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Solution

The fourth proportional to 335.92, 463.49 and 242.87 is: 335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.92 : 463.49 = 242.87 : x
  2. Step 2: Convert to fraction form
    335.92/463.49 = 242.87/x
  3. Step 3: Cross multiply
    335.92x = 463.49 × 242.87
  4. Step 4: Simplify right side
    335.92x = 112,567.82
  5. Step 5: Solve for x
    x = 112,567.82/335.92
  6. Step 6: Final answer
    x = 335.11

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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.