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Finding the Fourth Proportional to 502.62, 693.63 and 336.66

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Solution

The fourth proportional to 502.62, 693.63 and 336.66 is: 464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.62 : 693.63 = 336.66 : x
  2. Step 2: Convert to fraction form
    502.62/693.63 = 336.66/x
  3. Step 3: Cross multiply
    502.62x = 693.63 × 336.66
  4. Step 4: Simplify right side
    502.62x = 233,517.48
  5. Step 5: Solve for x
    x = 233,517.48/502.62
  6. Step 6: Final answer
    x = 464.60

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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.