Finding the Fourth Proportional to 338.12, 508.13 and 201.19
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Solution
The fourth proportional to 338.12, 508.13 and 201.19 is: 302.35
Step by Step Solution
- Step 1: Write the proportion equation
338.12 : 508.13 = 201.19 : x - Step 2: Convert to fraction form
338.12/508.13 = 201.19/x - Step 3: Cross multiply
338.12x = 508.13 × 201.19 - Step 4: Simplify right side
338.12x = 102,230.67 - Step 5: Solve for x
x = 102,230.67/338.12 - Step 6: Final answer
x = 302.35
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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.