Finding the Fourth Proportional to 242.18, 333.96 and 201.68
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Solution
The fourth proportional to 242.18, 333.96 and 201.68 is: 278.11
Step by Step Solution
- Step 1: Write the proportion equation
242.18 : 333.96 = 201.68 : x - Step 2: Convert to fraction form
242.18/333.96 = 201.68/x - Step 3: Cross multiply
242.18x = 333.96 × 201.68 - Step 4: Simplify right side
242.18x = 67,353.05 - Step 5: Solve for x
x = 67,353.05/242.18 - Step 6: Final answer
x = 278.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.