Finding the Fourth Proportional to 199.10, 274.74 and 177.08
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Solution
The fourth proportional to 199.10, 274.74 and 177.08 is: 244.34
Step by Step Solution
- Step 1: Write the proportion equation
199.10 : 274.74 = 177.08 : x - Step 2: Convert to fraction form
199.10/274.74 = 177.08/x - Step 3: Cross multiply
199.10x = 274.74 × 177.08 - Step 4: Simplify right side
199.10x = 48,648.92 - Step 5: Solve for x
x = 48,648.92/199.10 - Step 6: Final answer
x = 244.34
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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.