Finding the Fourth Proportional to 240.24, 331.08 and 205.68
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Solution
The fourth proportional to 240.24, 331.08 and 205.68 is: 283.45
Step by Step Solution
- Step 1: Write the proportion equation
240.24 : 331.08 = 205.68 : x - Step 2: Convert to fraction form
240.24/331.08 = 205.68/x - Step 3: Cross multiply
240.24x = 331.08 × 205.68 - Step 4: Simplify right side
240.24x = 68,096.53 - Step 5: Solve for x
x = 68,096.53/240.24 - Step 6: Final answer
x = 283.45
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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.