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Finding the Fourth Proportional to 502.12, 693.21 and 337.21

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Solution

The fourth proportional to 502.12, 693.21 and 337.21 is: 465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.12 : 693.21 = 337.21 : x
  2. Step 2: Convert to fraction form
    502.12/693.21 = 337.21/x
  3. Step 3: Cross multiply
    502.12x = 693.21 × 337.21
  4. Step 4: Simplify right side
    502.12x = 233,758.88
  5. Step 5: Solve for x
    x = 233,758.88/502.12
  6. Step 6: Final answer
    x = 465.54

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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.