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Finding the Fourth Proportional to 337.02, 505.36 and 163.63

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Solution

The fourth proportional to 337.02, 505.36 and 163.63 is: 245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.02 : 505.36 = 163.63 : x
  2. Step 2: Convert to fraction form
    337.02/505.36 = 163.63/x
  3. Step 3: Cross multiply
    337.02x = 505.36 × 163.63
  4. Step 4: Simplify right side
    337.02x = 82,692.06
  5. Step 5: Solve for x
    x = 82,692.06/337.02
  6. Step 6: Final answer
    x = 245.36

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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.