Finding the Fourth Proportional to 157.67, 236.52 and 97.19
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Solution
The fourth proportional to 157.67, 236.52 and 97.19 is: 145.80
Step by Step Solution
- Step 1: Write the proportion equation
157.67 : 236.52 = 97.19 : x - Step 2: Convert to fraction form
157.67/236.52 = 97.19/x - Step 3: Cross multiply
157.67x = 236.52 × 97.19 - Step 4: Simplify right side
157.67x = 22,987.97 - Step 5: Solve for x
x = 22,987.97/157.67 - Step 6: Final answer
x = 145.80
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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.