Finding the Fourth Proportional to 437.02, 655.53 and 163.19
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Solution
The fourth proportional to 437.02, 655.53 and 163.19 is: 244.78
Step by Step Solution
- Step 1: Write the proportion equation
437.02 : 655.53 = 163.19 : x - Step 2: Convert to fraction form
437.02/655.53 = 163.19/x - Step 3: Cross multiply
437.02x = 655.53 × 163.19 - Step 4: Simplify right side
437.02x = 106,975.81 - Step 5: Solve for x
x = 106,975.81/437.02 - Step 6: Final answer
x = 244.78
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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.