Finding the Fourth Proportional to 242.24, 334.08 and 207.68
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Solution
The fourth proportional to 242.24, 334.08 and 207.68 is: 286.42
Step by Step Solution
- Step 1: Write the proportion equation
242.24 : 334.08 = 207.68 : x - Step 2: Convert to fraction form
242.24/334.08 = 207.68/x - Step 3: Cross multiply
242.24x = 334.08 × 207.68 - Step 4: Simplify right side
242.24x = 69,381.73 - Step 5: Solve for x
x = 69,381.73/242.24 - Step 6: Final answer
x = 286.42
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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.