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Finding the Fourth Proportional to 475.57, 654.97 and 441.55

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Solution

The fourth proportional to 475.57, 654.97 and 441.55 is: 608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.57 : 654.97 = 441.55 : x
  2. Step 2: Convert to fraction form
    475.57/654.97 = 441.55/x
  3. Step 3: Cross multiply
    475.57x = 654.97 × 441.55
  4. Step 4: Simplify right side
    475.57x = 289,196.52
  5. Step 5: Solve for x
    x = 289,196.52/475.57
  6. Step 6: Final answer
    x = 608.11

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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.