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Finding the Fourth Proportional to 335.53, 463.08 and 217.47

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Solution

The fourth proportional to 335.53, 463.08 and 217.47 is: 300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.53 : 463.08 = 217.47 : x
  2. Step 2: Convert to fraction form
    335.53/463.08 = 217.47/x
  3. Step 3: Cross multiply
    335.53x = 463.08 × 217.47
  4. Step 4: Simplify right side
    335.53x = 100,706.01
  5. Step 5: Solve for x
    x = 100,706.01/335.53
  6. Step 6: Final answer
    x = 300.14

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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.