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Finding the Fourth Proportional to 337.08, 465 and 220.71

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Solution

The fourth proportional to 337.08, 465 and 220.71 is: 304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.08 : 465 = 220.71 : x
  2. Step 2: Convert to fraction form
    337.08/465 = 220.71/x
  3. Step 3: Cross multiply
    337.08x = 465 × 220.71
  4. Step 4: Simplify right side
    337.08x = 102,630.15
  5. Step 5: Solve for x
    x = 102,630.15/337.08
  6. Step 6: Final answer
    x = 304.47

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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.