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Finding the Fourth Proportional to 337.80, 465.64 and 296.49

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Solution

The fourth proportional to 337.80, 465.64 and 296.49 is: 408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.80 : 465.64 = 296.49 : x
  2. Step 2: Convert to fraction form
    337.80/465.64 = 296.49/x
  3. Step 3: Cross multiply
    337.80x = 465.64 × 296.49
  4. Step 4: Simplify right side
    337.80x = 138,057.60
  5. Step 5: Solve for x
    x = 138,057.60/337.80
  6. Step 6: Final answer
    x = 408.70

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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.