Finding the Fourth Proportional to 116.06, 173.81 and 58.10
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Solution
The fourth proportional to 116.06, 173.81 and 58.10 is: 87.00
Step by Step Solution
- Step 1: Write the proportion equation
116.06 : 173.81 = 58.10 : x - Step 2: Convert to fraction form
116.06/173.81 = 58.10/x - Step 3: Cross multiply
116.06x = 173.81 × 58.10 - Step 4: Simplify right side
116.06x = 10,097.20 - Step 5: Solve for x
x = 10,097.20/116.06 - Step 6: Final answer
x = 87.00
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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.