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Finding the Fourth Proportional to 308.92, 462.84 and 302.44

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Solution

The fourth proportional to 308.92, 462.84 and 302.44 is: 453.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.92 : 462.84 = 302.44 : x
  2. Step 2: Convert to fraction form
    308.92/462.84 = 302.44/x
  3. Step 3: Cross multiply
    308.92x = 462.84 × 302.44
  4. Step 4: Simplify right side
    308.92x = 139,981.33
  5. Step 5: Solve for x
    x = 139,981.33/308.92
  6. Step 6: Final answer
    x = 453.13

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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.