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Finding the Fourth Proportional to 625.07, 936.39 and 573.44

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Solution

The fourth proportional to 625.07, 936.39 and 573.44 is: 859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.07 : 936.39 = 573.44 : x
  2. Step 2: Convert to fraction form
    625.07/936.39 = 573.44/x
  3. Step 3: Cross multiply
    625.07x = 936.39 × 573.44
  4. Step 4: Simplify right side
    625.07x = 536,960.95
  5. Step 5: Solve for x
    x = 536,960.95/625.07
  6. Step 6: Final answer
    x = 859.04

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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.