Finding the Fourth Proportional to 237.99, 356.36 and 155.82
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Solution
The fourth proportional to 237.99, 356.36 and 155.82 is: 233.32
Step by Step Solution
- Step 1: Write the proportion equation
237.99 : 356.36 = 155.82 : x - Step 2: Convert to fraction form
237.99/356.36 = 155.82/x - Step 3: Cross multiply
237.99x = 356.36 × 155.82 - Step 4: Simplify right side
237.99x = 55,527.24 - Step 5: Solve for x
x = 55,527.24/237.99 - Step 6: Final answer
x = 233.32
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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.