Finding the Fourth Proportional to 163.08, 225.02 and 93.14
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Solution
The fourth proportional to 163.08, 225.02 and 93.14 is: 128.51
Step by Step Solution
- Step 1: Write the proportion equation
163.08 : 225.02 = 93.14 : x - Step 2: Convert to fraction form
163.08/225.02 = 93.14/x - Step 3: Cross multiply
163.08x = 225.02 × 93.14 - Step 4: Simplify right side
163.08x = 20,956.77 - Step 5: Solve for x
x = 20,956.77/163.08 - Step 6: Final answer
x = 128.51
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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.