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Finding the Fourth Proportional to 460.73, 634.82 and 355.83

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Solution

The fourth proportional to 460.73, 634.82 and 355.83 is: 490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.73 : 634.82 = 355.83 : x
  2. Step 2: Convert to fraction form
    460.73/634.82 = 355.83/x
  3. Step 3: Cross multiply
    460.73x = 634.82 × 355.83
  4. Step 4: Simplify right side
    460.73x = 225,886.22
  5. Step 5: Solve for x
    x = 225,886.22/460.73
  6. Step 6: Final answer
    x = 490.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.