Finding the Fourth Proportional to 163.23, 225.36 and 114.23
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Solution
The fourth proportional to 163.23, 225.36 and 114.23 is: 157.70
Step by Step Solution
- Step 1: Write the proportion equation
163.23 : 225.36 = 114.23 : x - Step 2: Convert to fraction form
163.23/225.36 = 114.23/x - Step 3: Cross multiply
163.23x = 225.36 × 114.23 - Step 4: Simplify right side
163.23x = 25,741.75 - Step 5: Solve for x
x = 25,741.75/163.23 - Step 6: Final answer
x = 157.70
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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.