Finding the Fourth Proportional to 163.68, 245.48 and 102.68
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Solution
The fourth proportional to 163.68, 245.48 and 102.68 is: 153.99
Step by Step Solution
- Step 1: Write the proportion equation
163.68 : 245.48 = 102.68 : x - Step 2: Convert to fraction form
163.68/245.48 = 102.68/x - Step 3: Cross multiply
163.68x = 245.48 × 102.68 - Step 4: Simplify right side
163.68x = 25,205.89 - Step 5: Solve for x
x = 25,205.89/163.68 - Step 6: Final answer
x = 153.99
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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.