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Finding the Fourth Proportional to 350.23, 482.27 and 276.32

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Solution

The fourth proportional to 350.23, 482.27 and 276.32 is: 380.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.23 : 482.27 = 276.32 : x
  2. Step 2: Convert to fraction form
    350.23/482.27 = 276.32/x
  3. Step 3: Cross multiply
    350.23x = 482.27 × 276.32
  4. Step 4: Simplify right side
    350.23x = 133,257.05
  5. Step 5: Solve for x
    x = 133,257.05/350.23
  6. Step 6: Final answer
    x = 380.49

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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.