Finding the Fourth Proportional to 274.82, 378.99 and 175.19
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Solution
The fourth proportional to 274.82, 378.99 and 175.19 is: 241.59
Step by Step Solution
- Step 1: Write the proportion equation
274.82 : 378.99 = 175.19 : x - Step 2: Convert to fraction form
274.82/378.99 = 175.19/x - Step 3: Cross multiply
274.82x = 378.99 × 175.19 - Step 4: Simplify right side
274.82x = 66,393.36 - Step 5: Solve for x
x = 66,393.36/274.82 - Step 6: Final answer
x = 241.59
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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.