Finding the Fourth Proportional to 202.03, 303.21 and 110.79
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Solution
The fourth proportional to 202.03, 303.21 and 110.79 is: 166.27
Step by Step Solution
- Step 1: Write the proportion equation
202.03 : 303.21 = 110.79 : x - Step 2: Convert to fraction form
202.03/303.21 = 110.79/x - Step 3: Cross multiply
202.03x = 303.21 × 110.79 - Step 4: Simplify right side
202.03x = 33,590.57 - Step 5: Solve for x
x = 33,590.57/202.03 - Step 6: Final answer
x = 166.27
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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.