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Finding the Fourth Proportional to 337.84, 465.95 and 206.72

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Solution

The fourth proportional to 337.84, 465.95 and 206.72 is: 285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.84 : 465.95 = 206.72 : x
  2. Step 2: Convert to fraction form
    337.84/465.95 = 206.72/x
  3. Step 3: Cross multiply
    337.84x = 465.95 × 206.72
  4. Step 4: Simplify right side
    337.84x = 96,321.12
  5. Step 5: Solve for x
    x = 96,321.12/337.84
  6. Step 6: Final answer
    x = 285.11

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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.