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Finding the Fourth Proportional to 625.49, 937.58 and 235.41

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Solution

The fourth proportional to 625.49, 937.58 and 235.41 is: 352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.49 : 937.58 = 235.41 : x
  2. Step 2: Convert to fraction form
    625.49/937.58 = 235.41/x
  3. Step 3: Cross multiply
    625.49x = 937.58 × 235.41
  4. Step 4: Simplify right side
    625.49x = 220,715.71
  5. Step 5: Solve for x
    x = 220,715.71/625.49
  6. Step 6: Final answer
    x = 352.87

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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.