Finding the Fourth Proportional to 163.75, 225.99 and 101.55
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Solution
The fourth proportional to 163.75, 225.99 and 101.55 is: 140.16
Step by Step Solution
- Step 1: Write the proportion equation
163.75 : 225.99 = 101.55 : x - Step 2: Convert to fraction form
163.75/225.99 = 101.55/x - Step 3: Cross multiply
163.75x = 225.99 × 101.55 - Step 4: Simplify right side
163.75x = 22,950.13 - Step 5: Solve for x
x = 22,950.13/163.75 - Step 6: Final answer
x = 140.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.