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Finding the Fourth Proportional to 337.56, 465.78 and 213.02

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Solution

The fourth proportional to 337.56, 465.78 and 213.02 is: 293.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.56 : 465.78 = 213.02 : x
  2. Step 2: Convert to fraction form
    337.56/465.78 = 213.02/x
  3. Step 3: Cross multiply
    337.56x = 465.78 × 213.02
  4. Step 4: Simplify right side
    337.56x = 99,220.46
  5. Step 5: Solve for x
    x = 99,220.46/337.56
  6. Step 6: Final answer
    x = 293.93

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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.