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Finding the Fourth Proportional to 552.25, 825.94 and 493.93

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Solution

The fourth proportional to 552.25, 825.94 and 493.93 is: 738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    552.25 : 825.94 = 493.93 : x
  2. Step 2: Convert to fraction form
    552.25/825.94 = 493.93/x
  3. Step 3: Cross multiply
    552.25x = 825.94 × 493.93
  4. Step 4: Simplify right side
    552.25x = 407,956.54
  5. Step 5: Solve for x
    x = 407,956.54/552.25
  6. Step 6: Final answer
    x = 738.72

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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.