Finding the Fourth Proportional to 116.24, 173.45 and 104.09
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Solution
The fourth proportional to 116.24, 173.45 and 104.09 is: 155.32
Step by Step Solution
- Step 1: Write the proportion equation
116.24 : 173.45 = 104.09 : x - Step 2: Convert to fraction form
116.24/173.45 = 104.09/x - Step 3: Cross multiply
116.24x = 173.45 × 104.09 - Step 4: Simplify right side
116.24x = 18,053.80 - Step 5: Solve for x
x = 18,053.80/116.24 - Step 6: Final answer
x = 155.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.