Finding the Fourth Proportional to 163.74, 225.98 and 108.44
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Solution
The fourth proportional to 163.74, 225.98 and 108.44 is: 149.65
Step by Step Solution
- Step 1: Write the proportion equation
163.74 : 225.98 = 108.44 : x - Step 2: Convert to fraction form
163.74/225.98 = 108.44/x - Step 3: Cross multiply
163.74x = 225.98 × 108.44 - Step 4: Simplify right side
163.74x = 24,503.60 - Step 5: Solve for x
x = 24,503.60/163.74 - Step 6: Final answer
x = 149.65
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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.