Finding the Fourth Proportional to 170.36, 235.13 and 115.19
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Solution
The fourth proportional to 170.36, 235.13 and 115.19 is: 158.98
Step by Step Solution
- Step 1: Write the proportion equation
170.36 : 235.13 = 115.19 : x - Step 2: Convert to fraction form
170.36/235.13 = 115.19/x - Step 3: Cross multiply
170.36x = 235.13 × 115.19 - Step 4: Simplify right side
170.36x = 27,082.87 - Step 5: Solve for x
x = 27,082.87/170.36 - Step 6: Final answer
x = 158.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.