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Finding the Fourth Proportional to 625.70, 936.93 and 504.20

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Solution

The fourth proportional to 625.70, 936.93 and 504.20 is: 754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.70 : 936.93 = 504.20 : x
  2. Step 2: Convert to fraction form
    625.70/936.93 = 504.20/x
  3. Step 3: Cross multiply
    625.70x = 936.93 × 504.20
  4. Step 4: Simplify right side
    625.70x = 472,400.11
  5. Step 5: Solve for x
    x = 472,400.11/625.70
  6. Step 6: Final answer
    x = 754.99

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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.