Finding the Fourth Proportional to 202.70, 303.99 and 80.93
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Solution
The fourth proportional to 202.70, 303.99 and 80.93 is: 121.37
Step by Step Solution
- Step 1: Write the proportion equation
202.70 : 303.99 = 80.93 : x - Step 2: Convert to fraction form
202.70/303.99 = 80.93/x - Step 3: Cross multiply
202.70x = 303.99 × 80.93 - Step 4: Simplify right side
202.70x = 24,601.91 - Step 5: Solve for x
x = 24,601.91/202.70 - Step 6: Final answer
x = 121.37
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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.