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Finding the Fourth Proportional to 475.37, 656.26 and 335.91

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Solution

The fourth proportional to 475.37, 656.26 and 335.91 is: 463.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.37 : 656.26 = 335.91 : x
  2. Step 2: Convert to fraction form
    475.37/656.26 = 335.91/x
  3. Step 3: Cross multiply
    475.37x = 656.26 × 335.91
  4. Step 4: Simplify right side
    475.37x = 220,444.30
  5. Step 5: Solve for x
    x = 220,444.30/475.37
  6. Step 6: Final answer
    x = 463.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.