Finding the Fourth Proportional to 196.34, 294.51 and 104.99
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Solution
The fourth proportional to 196.34, 294.51 and 104.99 is: 157.49
Step by Step Solution
- Step 1: Write the proportion equation
196.34 : 294.51 = 104.99 : x - Step 2: Convert to fraction form
196.34/294.51 = 104.99/x - Step 3: Cross multiply
196.34x = 294.51 × 104.99 - Step 4: Simplify right side
196.34x = 30,920.60 - Step 5: Solve for x
x = 30,920.60/196.34 - Step 6: Final answer
x = 157.49
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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.