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Finding the Fourth Proportional to 625.54, 937.19 and 368.90

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Solution

The fourth proportional to 625.54, 937.19 and 368.90 is: 552.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.54 : 937.19 = 368.90 : x
  2. Step 2: Convert to fraction form
    625.54/937.19 = 368.90/x
  3. Step 3: Cross multiply
    625.54x = 937.19 × 368.90
  4. Step 4: Simplify right side
    625.54x = 345,729.39
  5. Step 5: Solve for x
    x = 345,729.39/625.54
  6. Step 6: Final answer
    x = 552.69

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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.