Finding the Fourth Proportional to 201.30, 303.15 and 177.19
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Solution
The fourth proportional to 201.30, 303.15 and 177.19 is: 266.84
Step by Step Solution
- Step 1: Write the proportion equation
201.30 : 303.15 = 177.19 : x - Step 2: Convert to fraction form
201.30/303.15 = 177.19/x - Step 3: Cross multiply
201.30x = 303.15 × 177.19 - Step 4: Simplify right side
201.30x = 53,715.06 - Step 5: Solve for x
x = 53,715.06/201.30 - Step 6: Final answer
x = 266.84
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.