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Finding the Fourth Proportional to 446.16, 668.77 and 250.87

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Solution

The fourth proportional to 446.16, 668.77 and 250.87 is: 376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.16 : 668.77 = 250.87 : x
  2. Step 2: Convert to fraction form
    446.16/668.77 = 250.87/x
  3. Step 3: Cross multiply
    446.16x = 668.77 × 250.87
  4. Step 4: Simplify right side
    446.16x = 167,774.33
  5. Step 5: Solve for x
    x = 167,774.33/446.16
  6. Step 6: Final answer
    x = 376.04

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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.