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Finding the Fourth Proportional to 446.97, 617.28 and 372.57

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Solution

The fourth proportional to 446.97, 617.28 and 372.57 is: 514.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.97 : 617.28 = 372.57 : x
  2. Step 2: Convert to fraction form
    446.97/617.28 = 372.57/x
  3. Step 3: Cross multiply
    446.97x = 617.28 × 372.57
  4. Step 4: Simplify right side
    446.97x = 229,980.01
  5. Step 5: Solve for x
    x = 229,980.01/446.97
  6. Step 6: Final answer
    x = 514.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.