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Finding the Fourth Proportional to 537.92, 806.98 and 307.07

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Solution

The fourth proportional to 537.92, 806.98 and 307.07 is: 460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.92 : 806.98 = 307.07 : x
  2. Step 2: Convert to fraction form
    537.92/806.98 = 307.07/x
  3. Step 3: Cross multiply
    537.92x = 806.98 × 307.07
  4. Step 4: Simplify right side
    537.92x = 247,799.35
  5. Step 5: Solve for x
    x = 247,799.35/537.92
  6. Step 6: Final answer
    x = 460.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.