Finding the Fourth Proportional to 197.25, 295.88 and 133.53
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Solution
The fourth proportional to 197.25, 295.88 and 133.53 is: 200.30
Step by Step Solution
- Step 1: Write the proportion equation
197.25 : 295.88 = 133.53 : x - Step 2: Convert to fraction form
197.25/295.88 = 133.53/x - Step 3: Cross multiply
197.25x = 295.88 × 133.53 - Step 4: Simplify right side
197.25x = 39,508.19 - Step 5: Solve for x
x = 39,508.19/197.25 - Step 6: Final answer
x = 200.30
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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.