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Finding the Fourth Proportional to 437.54, 656.53 and 335.48

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Solution

The fourth proportional to 437.54, 656.53 and 335.48 is: 503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.54 : 656.53 = 335.48 : x
  2. Step 2: Convert to fraction form
    437.54/656.53 = 335.48/x
  3. Step 3: Cross multiply
    437.54x = 656.53 × 335.48
  4. Step 4: Simplify right side
    437.54x = 220,248.56
  5. Step 5: Solve for x
    x = 220,248.56/437.54
  6. Step 6: Final answer
    x = 503.39

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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.