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Finding the Fourth Proportional to 557.16, 768.44 and 360.33

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Solution

The fourth proportional to 557.16, 768.44 and 360.33 is: 496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.16 : 768.44 = 360.33 : x
  2. Step 2: Convert to fraction form
    557.16/768.44 = 360.33/x
  3. Step 3: Cross multiply
    557.16x = 768.44 × 360.33
  4. Step 4: Simplify right side
    557.16x = 276,891.08
  5. Step 5: Solve for x
    x = 276,891.08/557.16
  6. Step 6: Final answer
    x = 496.97

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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.