Finding the Fourth Proportional to 202.13, 302.68 and 165.48
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Solution
The fourth proportional to 202.13, 302.68 and 165.48 is: 247.80
Step by Step Solution
- Step 1: Write the proportion equation
202.13 : 302.68 = 165.48 : x - Step 2: Convert to fraction form
202.13/302.68 = 165.48/x - Step 3: Cross multiply
202.13x = 302.68 × 165.48 - Step 4: Simplify right side
202.13x = 50,086.24 - Step 5: Solve for x
x = 50,086.24/202.13 - Step 6: Final answer
x = 247.80
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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.