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Finding the Fourth Proportional to 625.02, 936.45 and 496.50

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Solution

The fourth proportional to 625.02, 936.45 and 496.50 is: 743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.02 : 936.45 = 496.50 : x
  2. Step 2: Convert to fraction form
    625.02/936.45 = 496.50/x
  3. Step 3: Cross multiply
    625.02x = 936.45 × 496.50
  4. Step 4: Simplify right side
    625.02x = 464,947.43
  5. Step 5: Solve for x
    x = 464,947.43/625.02
  6. Step 6: Final answer
    x = 743.89

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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.