Finding the Fourth Proportional to 163.58, 225.74 and 94.58
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Solution
The fourth proportional to 163.58, 225.74 and 94.58 is: 130.52
Step by Step Solution
- Step 1: Write the proportion equation
163.58 : 225.74 = 94.58 : x - Step 2: Convert to fraction form
163.58/225.74 = 94.58/x - Step 3: Cross multiply
163.58x = 225.74 × 94.58 - Step 4: Simplify right side
163.58x = 21,350.49 - Step 5: Solve for x
x = 21,350.49/163.58 - Step 6: Final answer
x = 130.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.