Finding the Fourth Proportional to 222.77, 334.05 and 120.03
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Solution
The fourth proportional to 222.77, 334.05 and 120.03 is: 179.99
Step by Step Solution
- Step 1: Write the proportion equation
222.77 : 334.05 = 120.03 : x - Step 2: Convert to fraction form
222.77/334.05 = 120.03/x - Step 3: Cross multiply
222.77x = 334.05 × 120.03 - Step 4: Simplify right side
222.77x = 40,096.02 - Step 5: Solve for x
x = 40,096.02/222.77 - Step 6: Final answer
x = 179.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.