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Finding the Fourth Proportional to 502.75, 692.85 and 362.62

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Solution

The fourth proportional to 502.75, 692.85 and 362.62 is: 499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.75 : 692.85 = 362.62 : x
  2. Step 2: Convert to fraction form
    502.75/692.85 = 362.62/x
  3. Step 3: Cross multiply
    502.75x = 692.85 × 362.62
  4. Step 4: Simplify right side
    502.75x = 251,241.27
  5. Step 5: Solve for x
    x = 251,241.27/502.75
  6. Step 6: Final answer
    x = 499.73

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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.