Finding the Fourth Proportional to 194.53, 268.26 and 141.99
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Solution
The fourth proportional to 194.53, 268.26 and 141.99 is: 195.81
Step by Step Solution
- Step 1: Write the proportion equation
194.53 : 268.26 = 141.99 : x - Step 2: Convert to fraction form
194.53/268.26 = 141.99/x - Step 3: Cross multiply
194.53x = 268.26 × 141.99 - Step 4: Simplify right side
194.53x = 38,090.24 - Step 5: Solve for x
x = 38,090.24/194.53 - Step 6: Final answer
x = 195.81
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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.