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Finding the Fourth Proportional to 496.01, 743.32 and 422.50

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Solution

The fourth proportional to 496.01, 743.32 and 422.50 is: 633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.01 : 743.32 = 422.50 : x
  2. Step 2: Convert to fraction form
    496.01/743.32 = 422.50/x
  3. Step 3: Cross multiply
    496.01x = 743.32 × 422.50
  4. Step 4: Simplify right side
    496.01x = 314,052.70
  5. Step 5: Solve for x
    x = 314,052.70/496.01
  6. Step 6: Final answer
    x = 633.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.