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Finding the Fourth Proportional to 634.97, 952.47 and 190.19

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Solution

The fourth proportional to 634.97, 952.47 and 190.19 is: 285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.97 : 952.47 = 190.19 : x
  2. Step 2: Convert to fraction form
    634.97/952.47 = 190.19/x
  3. Step 3: Cross multiply
    634.97x = 952.47 × 190.19
  4. Step 4: Simplify right side
    634.97x = 181,152.65
  5. Step 5: Solve for x
    x = 181,152.65/634.97
  6. Step 6: Final answer
    x = 285.29

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Double scale
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Similar ratio
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1.5x scale

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.