Finding the Fourth Proportional to 170.77, 235.69 and 97.08
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Solution
The fourth proportional to 170.77, 235.69 and 97.08 is: 133.98
Step by Step Solution
- Step 1: Write the proportion equation
170.77 : 235.69 = 97.08 : x - Step 2: Convert to fraction form
170.77/235.69 = 97.08/x - Step 3: Cross multiply
170.77x = 235.69 × 97.08 - Step 4: Simplify right side
170.77x = 22,880.20 - Step 5: Solve for x
x = 22,880.20/170.77 - Step 6: Final answer
x = 133.98
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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.