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Finding the Fourth Proportional to 301.23, 453.92 and 248.31

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Solution

The fourth proportional to 301.23, 453.92 and 248.31 is: 374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.23 : 453.92 = 248.31 : x
  2. Step 2: Convert to fraction form
    301.23/453.92 = 248.31/x
  3. Step 3: Cross multiply
    301.23x = 453.92 × 248.31
  4. Step 4: Simplify right side
    301.23x = 112,711.63
  5. Step 5: Solve for x
    x = 112,711.63/301.23
  6. Step 6: Final answer
    x = 374.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.