Finding the Fourth Proportional to 202.60, 303.48 and 133.96
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Solution
The fourth proportional to 202.60, 303.48 and 133.96 is: 200.66
Step by Step Solution
- Step 1: Write the proportion equation
202.60 : 303.48 = 133.96 : x - Step 2: Convert to fraction form
202.60/303.48 = 133.96/x - Step 3: Cross multiply
202.60x = 303.48 × 133.96 - Step 4: Simplify right side
202.60x = 40,654.18 - Step 5: Solve for x
x = 40,654.18/202.60 - Step 6: Final answer
x = 200.66
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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.