Finding the Fourth Proportional to 265.14, 397.80 and 163.08
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Solution
The fourth proportional to 265.14, 397.80 and 163.08 is: 244.68
Step by Step Solution
- Step 1: Write the proportion equation
265.14 : 397.80 = 163.08 : x - Step 2: Convert to fraction form
265.14/397.80 = 163.08/x - Step 3: Cross multiply
265.14x = 397.80 × 163.08 - Step 4: Simplify right side
265.14x = 64,873.22 - Step 5: Solve for x
x = 64,873.22/265.14 - Step 6: Final answer
x = 244.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.