Finding the Fourth Proportional to 195.42, 269.26 and 133.18
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Solution
The fourth proportional to 195.42, 269.26 and 133.18 is: 183.50
Step by Step Solution
- Step 1: Write the proportion equation
195.42 : 269.26 = 133.18 : x - Step 2: Convert to fraction form
195.42/269.26 = 133.18/x - Step 3: Cross multiply
195.42x = 269.26 × 133.18 - Step 4: Simplify right side
195.42x = 35,860.05 - Step 5: Solve for x
x = 35,860.05/195.42 - Step 6: Final answer
x = 183.50
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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.