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Finding the Fourth Proportional to 304.82, 458.14 and 268.37

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Solution

The fourth proportional to 304.82, 458.14 and 268.37 is: 403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.82 : 458.14 = 268.37 : x
  2. Step 2: Convert to fraction form
    304.82/458.14 = 268.37/x
  3. Step 3: Cross multiply
    304.82x = 458.14 × 268.37
  4. Step 4: Simplify right side
    304.82x = 122,952.71
  5. Step 5: Solve for x
    x = 122,952.71/304.82
  6. Step 6: Final answer
    x = 403.36

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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.