Finding the Fourth Proportional to 170.63, 254.48 and 154.23
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Solution
The fourth proportional to 170.63, 254.48 and 154.23 is: 230.02
Step by Step Solution
- Step 1: Write the proportion equation
170.63 : 254.48 = 154.23 : x - Step 2: Convert to fraction form
170.63/254.48 = 154.23/x - Step 3: Cross multiply
170.63x = 254.48 × 154.23 - Step 4: Simplify right side
170.63x = 39,247.68 - Step 5: Solve for x
x = 39,247.68/170.63 - Step 6: Final answer
x = 230.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.