Finding the Fourth Proportional to 254.99, 382.17 and 193.93
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Solution
The fourth proportional to 254.99, 382.17 and 193.93 is: 290.66
Step by Step Solution
- Step 1: Write the proportion equation
254.99 : 382.17 = 193.93 : x - Step 2: Convert to fraction form
254.99/382.17 = 193.93/x - Step 3: Cross multiply
254.99x = 382.17 × 193.93 - Step 4: Simplify right side
254.99x = 74,114.23 - Step 5: Solve for x
x = 74,114.23/254.99 - Step 6: Final answer
x = 290.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.