Finding the Fourth Proportional to 199.14, 275.14 and 177.11
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Solution
The fourth proportional to 199.14, 275.14 and 177.11 is: 244.70
Step by Step Solution
- Step 1: Write the proportion equation
199.14 : 275.14 = 177.11 : x - Step 2: Convert to fraction form
199.14/275.14 = 177.11/x - Step 3: Cross multiply
199.14x = 275.14 × 177.11 - Step 4: Simplify right side
199.14x = 48,730.05 - Step 5: Solve for x
x = 48,730.05/199.14 - Step 6: Final answer
x = 244.70
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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.