Finding the Fourth Proportional to 202.06, 302.75 and 93.66
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Solution
The fourth proportional to 202.06, 302.75 and 93.66 is: 140.32
Step by Step Solution
- Step 1: Write the proportion equation
202.06 : 302.75 = 93.66 : x - Step 2: Convert to fraction form
202.06/302.75 = 93.66/x - Step 3: Cross multiply
202.06x = 302.75 × 93.66 - Step 4: Simplify right side
202.06x = 28,354.05 - Step 5: Solve for x
x = 28,354.05/202.06 - Step 6: Final answer
x = 140.32
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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.