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Finding the Fourth Proportional to 334.67, 502.33 and 213.02

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Solution

The fourth proportional to 334.67, 502.33 and 213.02 is: 319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.67 : 502.33 = 213.02 : x
  2. Step 2: Convert to fraction form
    334.67/502.33 = 213.02/x
  3. Step 3: Cross multiply
    334.67x = 502.33 × 213.02
  4. Step 4: Simplify right side
    334.67x = 107,006.34
  5. Step 5: Solve for x
    x = 107,006.34/334.67
  6. Step 6: Final answer
    x = 319.74

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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.