Finding the Fourth Proportional to 141.93, 195.80 and 97.68
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Solution
The fourth proportional to 141.93, 195.80 and 97.68 is: 134.75
Step by Step Solution
- Step 1: Write the proportion equation
141.93 : 195.80 = 97.68 : x - Step 2: Convert to fraction form
141.93/195.80 = 97.68/x - Step 3: Cross multiply
141.93x = 195.80 × 97.68 - Step 4: Simplify right side
141.93x = 19,125.26 - Step 5: Solve for x
x = 19,125.26/141.93 - Step 6: Final answer
x = 134.75
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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.