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Finding the Fourth Proportional to 437.43, 602.19 and 339.15

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Solution

The fourth proportional to 437.43, 602.19 and 339.15 is: 466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.43 : 602.19 = 339.15 : x
  2. Step 2: Convert to fraction form
    437.43/602.19 = 339.15/x
  3. Step 3: Cross multiply
    437.43x = 602.19 × 339.15
  4. Step 4: Simplify right side
    437.43x = 204,232.74
  5. Step 5: Solve for x
    x = 204,232.74/437.43
  6. Step 6: Final answer
    x = 466.89

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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.