Finding the Fourth Proportional to 163.20, 224.94 and 132
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Solution
The fourth proportional to 163.20, 224.94 and 132 is: 181.94
Step by Step Solution
- Step 1: Write the proportion equation
163.20 : 224.94 = 132 : x - Step 2: Convert to fraction form
163.20/224.94 = 132/x - Step 3: Cross multiply
163.20x = 224.94 × 132 - Step 4: Simplify right side
163.20x = 29,692.08 - Step 5: Solve for x
x = 29,692.08/163.20 - Step 6: Final answer
x = 181.94
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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.