Finding the Fourth Proportional to 202.19, 303.15 and 110.81
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Solution
The fourth proportional to 202.19, 303.15 and 110.81 is: 166.14
Step by Step Solution
- Step 1: Write the proportion equation
202.19 : 303.15 = 110.81 : x - Step 2: Convert to fraction form
202.19/303.15 = 110.81/x - Step 3: Cross multiply
202.19x = 303.15 × 110.81 - Step 4: Simplify right side
202.19x = 33,592.05 - Step 5: Solve for x
x = 33,592.05/202.19 - Step 6: Final answer
x = 166.14
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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.