Finding the Fourth Proportional to 218.19, 327.51 and 201.99
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Solution
The fourth proportional to 218.19, 327.51 and 201.99 is: 303.19
Step by Step Solution
- Step 1: Write the proportion equation
218.19 : 327.51 = 201.99 : x - Step 2: Convert to fraction form
218.19/327.51 = 201.99/x - Step 3: Cross multiply
218.19x = 327.51 × 201.99 - Step 4: Simplify right side
218.19x = 66,153.74 - Step 5: Solve for x
x = 66,153.74/218.19 - Step 6: Final answer
x = 303.19
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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.