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Finding the Fourth Proportional to 516.92, 713.33 and 295.93

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Solution

The fourth proportional to 516.92, 713.33 and 295.93 is: 408.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.92 : 713.33 = 295.93 : x
  2. Step 2: Convert to fraction form
    516.92/713.33 = 295.93/x
  3. Step 3: Cross multiply
    516.92x = 713.33 × 295.93
  4. Step 4: Simplify right side
    516.92x = 211,090.70
  5. Step 5: Solve for x
    x = 211,090.70/516.92
  6. Step 6: Final answer
    x = 408.36

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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.