Finding the Fourth Proportional to 303.33, 418.55 and 178.99
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Solution
The fourth proportional to 303.33, 418.55 and 178.99 is: 246.99
Step by Step Solution
- Step 1: Write the proportion equation
303.33 : 418.55 = 178.99 : x - Step 2: Convert to fraction form
303.33/418.55 = 178.99/x - Step 3: Cross multiply
303.33x = 418.55 × 178.99 - Step 4: Simplify right side
303.33x = 74,917.68 - Step 5: Solve for x
x = 74,917.68/303.33 - Step 6: Final answer
x = 246.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.