Finding the Fourth Proportional to 436.99, 655.77 and 163.30
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Solution
The fourth proportional to 436.99, 655.77 and 163.30 is: 245.06
Step by Step Solution
- Step 1: Write the proportion equation
436.99 : 655.77 = 163.30 : x - Step 2: Convert to fraction form
436.99/655.77 = 163.30/x - Step 3: Cross multiply
436.99x = 655.77 × 163.30 - Step 4: Simplify right side
436.99x = 107,087.24 - Step 5: Solve for x
x = 107,087.24/436.99 - Step 6: Final answer
x = 245.06
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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.