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Finding the Fourth Proportional to 337.26, 465.38 and 212.87

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Solution

The fourth proportional to 337.26, 465.38 and 212.87 is: 293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.26 : 465.38 = 212.87 : x
  2. Step 2: Convert to fraction form
    337.26/465.38 = 212.87/x
  3. Step 3: Cross multiply
    337.26x = 465.38 × 212.87
  4. Step 4: Simplify right side
    337.26x = 99,066.34
  5. Step 5: Solve for x
    x = 99,066.34/337.26
  6. Step 6: Final answer
    x = 293.74

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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.