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Finding the Fourth Proportional to 625.16, 936.52 and 350.42

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Solution

The fourth proportional to 625.16, 936.52 and 350.42 is: 524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.16 : 936.52 = 350.42 : x
  2. Step 2: Convert to fraction form
    625.16/936.52 = 350.42/x
  3. Step 3: Cross multiply
    625.16x = 936.52 × 350.42
  4. Step 4: Simplify right side
    625.16x = 328,175.34
  5. Step 5: Solve for x
    x = 328,175.34/625.16
  6. Step 6: Final answer
    x = 524.95

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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.