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Finding the Fourth Proportional to 437.41, 656.08 and 163.49

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Solution

The fourth proportional to 437.41, 656.08 and 163.49 is: 245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.41 : 656.08 = 163.49 : x
  2. Step 2: Convert to fraction form
    437.41/656.08 = 163.49/x
  3. Step 3: Cross multiply
    437.41x = 656.08 × 163.49
  4. Step 4: Simplify right side
    437.41x = 107,262.52
  5. Step 5: Solve for x
    x = 107,262.52/437.41
  6. Step 6: Final answer
    x = 245.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.