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Finding the Fourth Proportional to 502.68, 692.95 and 352.83

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Solution

The fourth proportional to 502.68, 692.95 and 352.83 is: 486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.68 : 692.95 = 352.83 : x
  2. Step 2: Convert to fraction form
    502.68/692.95 = 352.83/x
  3. Step 3: Cross multiply
    502.68x = 692.95 × 352.83
  4. Step 4: Simplify right side
    502.68x = 244,492.70
  5. Step 5: Solve for x
    x = 244,492.70/502.68
  6. Step 6: Final answer
    x = 486.38

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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.