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Finding the Fourth Proportional to 632.92, 948.90 and 344.44

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Solution

The fourth proportional to 632.92, 948.90 and 344.44 is: 516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.92 : 948.90 = 344.44 : x
  2. Step 2: Convert to fraction form
    632.92/948.90 = 344.44/x
  3. Step 3: Cross multiply
    632.92x = 948.90 × 344.44
  4. Step 4: Simplify right side
    632.92x = 326,839.12
  5. Step 5: Solve for x
    x = 326,839.12/632.92
  6. Step 6: Final answer
    x = 516.40

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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.