Finding the Fourth Proportional to 196.98, 295.49 and 52.68
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Solution
The fourth proportional to 196.98, 295.49 and 52.68 is: 79.02
Step by Step Solution
- Step 1: Write the proportion equation
196.98 : 295.49 = 52.68 : x - Step 2: Convert to fraction form
196.98/295.49 = 52.68/x - Step 3: Cross multiply
196.98x = 295.49 × 52.68 - Step 4: Simplify right side
196.98x = 15,566.15 - Step 5: Solve for x
x = 15,566.15/196.98 - Step 6: Final answer
x = 79.02
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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.