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Finding the Fourth Proportional to 797.98, 1,196.99 and 250.15

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Solution

The fourth proportional to 797.98, 1,196.99 and 250.15 is: 375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.98 : 1,196.99 = 250.15 : x
  2. Step 2: Convert to fraction form
    797.98/1,196.99 = 250.15/x
  3. Step 3: Cross multiply
    797.98x = 1,196.99 × 250.15
  4. Step 4: Simplify right side
    797.98x = 299,425.80
  5. Step 5: Solve for x
    x = 299,425.80/797.98
  6. Step 6: Final answer
    x = 375.23

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Double scale
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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.