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Finding the Fourth Proportional to 552.86, 828.93 and 264.62

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Solution

The fourth proportional to 552.86, 828.93 and 264.62 is: 396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.86 : 828.93 = 264.62 : x
  2. Step 2: Convert to fraction form
    552.86/828.93 = 264.62/x
  3. Step 3: Cross multiply
    552.86x = 828.93 × 264.62
  4. Step 4: Simplify right side
    552.86x = 219,351.46
  5. Step 5: Solve for x
    x = 219,351.46/552.86
  6. Step 6: Final answer
    x = 396.76

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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.