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Finding the Fourth Proportional to 437.67, 658.80 and 335.61

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Solution

The fourth proportional to 437.67, 658.80 and 335.61 is: 505.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.67 : 658.80 = 335.61 : x
  2. Step 2: Convert to fraction form
    437.67/658.80 = 335.61/x
  3. Step 3: Cross multiply
    437.67x = 658.80 × 335.61
  4. Step 4: Simplify right side
    437.67x = 221,099.87
  5. Step 5: Solve for x
    x = 221,099.87/437.67
  6. Step 6: Final answer
    x = 505.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.