Finding the Fourth Proportional to 199.36, 274.99 and 125.62
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Solution
The fourth proportional to 199.36, 274.99 and 125.62 is: 173.28
Step by Step Solution
- Step 1: Write the proportion equation
199.36 : 274.99 = 125.62 : x - Step 2: Convert to fraction form
199.36/274.99 = 125.62/x - Step 3: Cross multiply
199.36x = 274.99 × 125.62 - Step 4: Simplify right side
199.36x = 34,544.24 - Step 5: Solve for x
x = 34,544.24/199.36 - Step 6: Final answer
x = 173.28
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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.