Finding the Fourth Proportional to 202.34, 302.67 and 161.84
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Solution
The fourth proportional to 202.34, 302.67 and 161.84 is: 242.09
Step by Step Solution
- Step 1: Write the proportion equation
202.34 : 302.67 = 161.84 : x - Step 2: Convert to fraction form
202.34/302.67 = 161.84/x - Step 3: Cross multiply
202.34x = 302.67 × 161.84 - Step 4: Simplify right side
202.34x = 48,984.11 - Step 5: Solve for x
x = 48,984.11/202.34 - Step 6: Final answer
x = 242.09
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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.