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Finding the Fourth Proportional to 350.73, 482.96 and 276.82

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Solution

The fourth proportional to 350.73, 482.96 and 276.82 is: 381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.73 : 482.96 = 276.82 : x
  2. Step 2: Convert to fraction form
    350.73/482.96 = 276.82/x
  3. Step 3: Cross multiply
    350.73x = 482.96 × 276.82
  4. Step 4: Simplify right side
    350.73x = 133,689.19
  5. Step 5: Solve for x
    x = 133,689.19/350.73
  6. Step 6: Final answer
    x = 381.17

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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.