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Finding the Fourth Proportional to 446.70, 668.54 and 337.88

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Solution

The fourth proportional to 446.70, 668.54 and 337.88 is: 505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.70 : 668.54 = 337.88 : x
  2. Step 2: Convert to fraction form
    446.70/668.54 = 337.88/x
  3. Step 3: Cross multiply
    446.70x = 668.54 × 337.88
  4. Step 4: Simplify right side
    446.70x = 225,886.30
  5. Step 5: Solve for x
    x = 225,886.30/446.70
  6. Step 6: Final answer
    x = 505.68

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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.