Finding the Fourth Proportional to 240.12, 331.14 and 207.36
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Solution
The fourth proportional to 240.12, 331.14 and 207.36 is: 285.96
Step by Step Solution
- Step 1: Write the proportion equation
240.12 : 331.14 = 207.36 : x - Step 2: Convert to fraction form
240.12/331.14 = 207.36/x - Step 3: Cross multiply
240.12x = 331.14 × 207.36 - Step 4: Simplify right side
240.12x = 68,665.19 - Step 5: Solve for x
x = 68,665.19/240.12 - Step 6: Final answer
x = 285.96
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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.