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Finding the Fourth Proportional to 662.97, 914.86 and 364.17

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Solution

The fourth proportional to 662.97, 914.86 and 364.17 is: 502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    662.97 : 914.86 = 364.17 : x
  2. Step 2: Convert to fraction form
    662.97/914.86 = 364.17/x
  3. Step 3: Cross multiply
    662.97x = 914.86 × 364.17
  4. Step 4: Simplify right side
    662.97x = 333,164.57
  5. Step 5: Solve for x
    x = 333,164.57/662.97
  6. Step 6: Final answer
    x = 502.53

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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.