Finding the Fourth Proportional to 195.19, 269.16 and 125.13
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Solution
The fourth proportional to 195.19, 269.16 and 125.13 is: 172.55
Step by Step Solution
- Step 1: Write the proportion equation
195.19 : 269.16 = 125.13 : x - Step 2: Convert to fraction form
195.19/269.16 = 125.13/x - Step 3: Cross multiply
195.19x = 269.16 × 125.13 - Step 4: Simplify right side
195.19x = 33,679.99 - Step 5: Solve for x
x = 33,679.99/195.19 - Step 6: Final answer
x = 172.55
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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.