Finding the Fourth Proportional to 170.36, 254.93 and 133.91
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Solution
The fourth proportional to 170.36, 254.93 and 133.91 is: 200.39
Step by Step Solution
- Step 1: Write the proportion equation
170.36 : 254.93 = 133.91 : x - Step 2: Convert to fraction form
170.36/254.93 = 133.91/x - Step 3: Cross multiply
170.36x = 254.93 × 133.91 - Step 4: Simplify right side
170.36x = 34,137.68 - Step 5: Solve for x
x = 34,137.68/170.36 - Step 6: Final answer
x = 200.39
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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.