Finding the Fourth Proportional to 240.99, 361.01 and 154.07
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Solution
The fourth proportional to 240.99, 361.01 and 154.07 is: 230.79
Step by Step Solution
- Step 1: Write the proportion equation
240.99 : 361.01 = 154.07 : x - Step 2: Convert to fraction form
240.99/361.01 = 154.07/x - Step 3: Cross multiply
240.99x = 361.01 × 154.07 - Step 4: Simplify right side
240.99x = 55,618.24 - Step 5: Solve for x
x = 55,618.24/240.99 - Step 6: Final answer
x = 230.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.