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Finding the Fourth Proportional to 444.62, 663.68 and 410.60

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Solution

The fourth proportional to 444.62, 663.68 and 410.60 is: 612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.62 : 663.68 = 410.60 : x
  2. Step 2: Convert to fraction form
    444.62/663.68 = 410.60/x
  3. Step 3: Cross multiply
    444.62x = 663.68 × 410.60
  4. Step 4: Simplify right side
    444.62x = 272,507.01
  5. Step 5: Solve for x
    x = 272,507.01/444.62
  6. Step 6: Final answer
    x = 612.90

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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.