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Finding the Fourth Proportional to 308.83, 463.38 and 308.29

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Solution

The fourth proportional to 308.83, 463.38 and 308.29 is: 462.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.83 : 463.38 = 308.29 : x
  2. Step 2: Convert to fraction form
    308.83/463.38 = 308.29/x
  3. Step 3: Cross multiply
    308.83x = 463.38 × 308.29
  4. Step 4: Simplify right side
    308.83x = 142,855.42
  5. Step 5: Solve for x
    x = 142,855.42/308.83
  6. Step 6: Final answer
    x = 462.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.