Finding the Fourth Proportional to 116.09, 174.15 and 61.99
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Solution
The fourth proportional to 116.09, 174.15 and 61.99 is: 92.99
Step by Step Solution
- Step 1: Write the proportion equation
116.09 : 174.15 = 61.99 : x - Step 2: Convert to fraction form
116.09/174.15 = 61.99/x - Step 3: Cross multiply
116.09x = 174.15 × 61.99 - Step 4: Simplify right side
116.09x = 10,795.56 - Step 5: Solve for x
x = 10,795.56/116.09 - Step 6: Final answer
x = 92.99
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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.