Finding the Fourth Proportional to 202.64, 304.04 and 80.99
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Solution
The fourth proportional to 202.64, 304.04 and 80.99 is: 121.52
Step by Step Solution
- Step 1: Write the proportion equation
202.64 : 304.04 = 80.99 : x - Step 2: Convert to fraction form
202.64/304.04 = 80.99/x - Step 3: Cross multiply
202.64x = 304.04 × 80.99 - Step 4: Simplify right side
202.64x = 24,624.20 - Step 5: Solve for x
x = 24,624.20/202.64 - Step 6: Final answer
x = 121.52
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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.