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Finding the Fourth Proportional to 308.56, 460.04 and 300.73

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Solution

The fourth proportional to 308.56, 460.04 and 300.73 is: 448.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    308.56 : 460.04 = 300.73 : x
  2. Step 2: Convert to fraction form
    308.56/460.04 = 300.73/x
  3. Step 3: Cross multiply
    308.56x = 460.04 × 300.73
  4. Step 4: Simplify right side
    308.56x = 138,347.83
  5. Step 5: Solve for x
    x = 138,347.83/308.56
  6. Step 6: Final answer
    x = 448.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.