Finding the Fourth Proportional to 237.09, 355.65 and 115.44
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Solution
The fourth proportional to 237.09, 355.65 and 115.44 is: 173.17
Step by Step Solution
- Step 1: Write the proportion equation
237.09 : 355.65 = 115.44 : x - Step 2: Convert to fraction form
237.09/355.65 = 115.44/x - Step 3: Cross multiply
237.09x = 355.65 × 115.44 - Step 4: Simplify right side
237.09x = 41,056.24 - Step 5: Solve for x
x = 41,056.24/237.09 - Step 6: Final answer
x = 173.17
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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.