Finding the Fourth Proportional to 202.60, 303.48 and 121.18
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Solution
The fourth proportional to 202.60, 303.48 and 121.18 is: 181.52
Step by Step Solution
- Step 1: Write the proportion equation
202.60 : 303.48 = 121.18 : x - Step 2: Convert to fraction form
202.60/303.48 = 121.18/x - Step 3: Cross multiply
202.60x = 303.48 × 121.18 - Step 4: Simplify right side
202.60x = 36,775.71 - Step 5: Solve for x
x = 36,775.71/202.60 - Step 6: Final answer
x = 181.52
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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.