Finding the Fourth Proportional to 237.34, 355.38 and 163.99
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Solution
The fourth proportional to 237.34, 355.38 and 163.99 is: 245.55
Step by Step Solution
- Step 1: Write the proportion equation
237.34 : 355.38 = 163.99 : x - Step 2: Convert to fraction form
237.34/355.38 = 163.99/x - Step 3: Cross multiply
237.34x = 355.38 × 163.99 - Step 4: Simplify right side
237.34x = 58,278.77 - Step 5: Solve for x
x = 58,278.77/237.34 - Step 6: Final answer
x = 245.55
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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.