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Finding the Fourth Proportional to 576.43, 795.66 and 366.73

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Solution

The fourth proportional to 576.43, 795.66 and 366.73 is: 506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.43 : 795.66 = 366.73 : x
  2. Step 2: Convert to fraction form
    576.43/795.66 = 366.73/x
  3. Step 3: Cross multiply
    576.43x = 795.66 × 366.73
  4. Step 4: Simplify right side
    576.43x = 291,792.39
  5. Step 5: Solve for x
    x = 291,792.39/576.43
  6. Step 6: Final answer
    x = 506.21

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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.