Finding the Fourth Proportional to 180.23, 249.08 and 125.15
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Solution
The fourth proportional to 180.23, 249.08 and 125.15 is: 172.95
Step by Step Solution
- Step 1: Write the proportion equation
180.23 : 249.08 = 125.15 : x - Step 2: Convert to fraction form
180.23/249.08 = 125.15/x - Step 3: Cross multiply
180.23x = 249.08 × 125.15 - Step 4: Simplify right side
180.23x = 31,170.49 - Step 5: Solve for x
x = 31,170.49/180.23 - Step 6: Final answer
x = 172.95
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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.