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Finding the Fourth Proportional to 444.96, 663.81 and 424.32

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Solution

The fourth proportional to 444.96, 663.81 and 424.32 is: 633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.96 : 663.81 = 424.32 : x
  2. Step 2: Convert to fraction form
    444.96/663.81 = 424.32/x
  3. Step 3: Cross multiply
    444.96x = 663.81 × 424.32
  4. Step 4: Simplify right side
    444.96x = 281,667.86
  5. Step 5: Solve for x
    x = 281,667.86/444.96
  6. Step 6: Final answer
    x = 633.02

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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.