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Finding the Fourth Proportional to 626.86, 941.44 and 353.49

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Solution

The fourth proportional to 626.86, 941.44 and 353.49 is: 530.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.86 : 941.44 = 353.49 : x
  2. Step 2: Convert to fraction form
    626.86/941.44 = 353.49/x
  3. Step 3: Cross multiply
    626.86x = 941.44 × 353.49
  4. Step 4: Simplify right side
    626.86x = 332,789.63
  5. Step 5: Solve for x
    x = 332,789.63/626.86
  6. Step 6: Final answer
    x = 530.88

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1.5x scale

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.