Finding the Fourth Proportional to 163.07, 225.09 and 107.88
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Solution
The fourth proportional to 163.07, 225.09 and 107.88 is: 148.91
Step by Step Solution
- Step 1: Write the proportion equation
163.07 : 225.09 = 107.88 : x - Step 2: Convert to fraction form
163.07/225.09 = 107.88/x - Step 3: Cross multiply
163.07x = 225.09 × 107.88 - Step 4: Simplify right side
163.07x = 24,282.71 - Step 5: Solve for x
x = 24,282.71/163.07 - Step 6: Final answer
x = 148.91
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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.