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Finding the Fourth Proportional to 625.35, 937.40 and 235.29

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Solution

The fourth proportional to 625.35, 937.40 and 235.29 is: 352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.35 : 937.40 = 235.29 : x
  2. Step 2: Convert to fraction form
    625.35/937.40 = 235.29/x
  3. Step 3: Cross multiply
    625.35x = 937.40 × 235.29
  4. Step 4: Simplify right side
    625.35x = 220,559.67
  5. Step 5: Solve for x
    x = 220,559.67/625.35
  6. Step 6: Final answer
    x = 352.70

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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.