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Finding the Fourth Proportional to 446.26, 670.04 and 251.64

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Solution

The fourth proportional to 446.26, 670.04 and 251.64 is: 377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.26 : 670.04 = 251.64 : x
  2. Step 2: Convert to fraction form
    446.26/670.04 = 251.64/x
  3. Step 3: Cross multiply
    446.26x = 670.04 × 251.64
  4. Step 4: Simplify right side
    446.26x = 168,610.35
  5. Step 5: Solve for x
    x = 168,610.35/446.26
  6. Step 6: Final answer
    x = 377.83

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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.