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Finding the Fourth Proportional to 447.48, 666.53 and 441.88

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Solution

The fourth proportional to 447.48, 666.53 and 441.88 is: 658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    447.48 : 666.53 = 441.88 : x
  2. Step 2: Convert to fraction form
    447.48/666.53 = 441.88/x
  3. Step 3: Cross multiply
    447.48x = 666.53 × 441.88
  4. Step 4: Simplify right side
    447.48x = 294,526.28
  5. Step 5: Solve for x
    x = 294,526.28/447.48
  6. Step 6: Final answer
    x = 658.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.