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Finding the Fourth Proportional to 516.14, 712.32 and 341.18

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Solution

The fourth proportional to 516.14, 712.32 and 341.18 is: 470.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    516.14 : 712.32 = 341.18 : x
  2. Step 2: Convert to fraction form
    516.14/712.32 = 341.18/x
  3. Step 3: Cross multiply
    516.14x = 712.32 × 341.18
  4. Step 4: Simplify right side
    516.14x = 243,029.34
  5. Step 5: Solve for x
    x = 243,029.34/516.14
  6. Step 6: Final answer
    x = 470.86

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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.