Finding the Fourth Proportional to 196.30, 294.56 and 104.99
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Solution
The fourth proportional to 196.30, 294.56 and 104.99 is: 157.54
Step by Step Solution
- Step 1: Write the proportion equation
196.30 : 294.56 = 104.99 : x - Step 2: Convert to fraction form
196.30/294.56 = 104.99/x - Step 3: Cross multiply
196.30x = 294.56 × 104.99 - Step 4: Simplify right side
196.30x = 30,925.85 - Step 5: Solve for x
x = 30,925.85/196.30 - Step 6: Final answer
x = 157.54
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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.