Finding the Fourth Proportional to 202.40, 302.93 and 163.62
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Solution
The fourth proportional to 202.40, 302.93 and 163.62 is: 244.89
Step by Step Solution
- Step 1: Write the proportion equation
202.40 : 302.93 = 163.62 : x - Step 2: Convert to fraction form
202.40/302.93 = 163.62/x - Step 3: Cross multiply
202.40x = 302.93 × 163.62 - Step 4: Simplify right side
202.40x = 49,565.41 - Step 5: Solve for x
x = 49,565.41/202.40 - Step 6: Final answer
x = 244.89
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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.