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Finding the Fourth Proportional to 496.01, 684.50 and 296.88

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Solution

The fourth proportional to 496.01, 684.50 and 296.88 is: 409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.01 : 684.50 = 296.88 : x
  2. Step 2: Convert to fraction form
    496.01/684.50 = 296.88/x
  3. Step 3: Cross multiply
    496.01x = 684.50 × 296.88
  4. Step 4: Simplify right side
    496.01x = 203,214.36
  5. Step 5: Solve for x
    x = 203,214.36/496.01
  6. Step 6: Final answer
    x = 409.70

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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.