Finding the Fourth Proportional to 163.04, 246.40 and 160.20
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Solution
The fourth proportional to 163.04, 246.40 and 160.20 is: 242.12
Step by Step Solution
- Step 1: Write the proportion equation
163.04 : 246.40 = 160.20 : x - Step 2: Convert to fraction form
163.04/246.40 = 160.20/x - Step 3: Cross multiply
163.04x = 246.40 × 160.20 - Step 4: Simplify right side
163.04x = 39,474.19 - Step 5: Solve for x
x = 39,474.19/163.04 - Step 6: Final answer
x = 242.12
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.