Finding the Fourth Proportional to 338.05, 507.21 and 201.17
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Solution
The fourth proportional to 338.05, 507.21 and 201.17 is: 301.84
Step by Step Solution
- Step 1: Write the proportion equation
338.05 : 507.21 = 201.17 : x - Step 2: Convert to fraction form
338.05/507.21 = 201.17/x - Step 3: Cross multiply
338.05x = 507.21 × 201.17 - Step 4: Simplify right side
338.05x = 102,035.44 - Step 5: Solve for x
x = 102,035.44/338.05 - Step 6: Final answer
x = 301.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.