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Finding the Fourth Proportional to 632.84, 949.55 and 344.25

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Solution

The fourth proportional to 632.84, 949.55 and 344.25 is: 516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.84 : 949.55 = 344.25 : x
  2. Step 2: Convert to fraction form
    632.84/949.55 = 344.25/x
  3. Step 3: Cross multiply
    632.84x = 949.55 × 344.25
  4. Step 4: Simplify right side
    632.84x = 326,880.87
  5. Step 5: Solve for x
    x = 326,880.87/632.84
  6. Step 6: Final answer
    x = 516.53

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Double scale
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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.