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Finding the Fourth Proportional to 335.84, 463.38 and 203.08

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Solution

The fourth proportional to 335.84, 463.38 and 203.08 is: 280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.84 : 463.38 = 203.08 : x
  2. Step 2: Convert to fraction form
    335.84/463.38 = 203.08/x
  3. Step 3: Cross multiply
    335.84x = 463.38 × 203.08
  4. Step 4: Simplify right side
    335.84x = 94,099.88
  5. Step 5: Solve for x
    x = 94,099.88/335.84
  6. Step 6: Final answer
    x = 280.20

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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.