Finding the Fourth Proportional to 163.23, 244.63 and 76.55
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Solution
The fourth proportional to 163.23, 244.63 and 76.55 is: 114.72
Step by Step Solution
- Step 1: Write the proportion equation
163.23 : 244.63 = 76.55 : x - Step 2: Convert to fraction form
163.23/244.63 = 76.55/x - Step 3: Cross multiply
163.23x = 244.63 × 76.55 - Step 4: Simplify right side
163.23x = 18,726.43 - Step 5: Solve for x
x = 18,726.43/163.23 - Step 6: Final answer
x = 114.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.