Finding the Fourth Proportional to 163.23, 224.58 and 159.58
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Solution
The fourth proportional to 163.23, 224.58 and 159.58 is: 219.56
Step by Step Solution
- Step 1: Write the proportion equation
163.23 : 224.58 = 159.58 : x - Step 2: Convert to fraction form
163.23/224.58 = 159.58/x - Step 3: Cross multiply
163.23x = 224.58 × 159.58 - Step 4: Simplify right side
163.23x = 35,838.48 - Step 5: Solve for x
x = 35,838.48/163.23 - Step 6: Final answer
x = 219.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.