Finding the Fourth Proportional to 163.06, 225.01 and 107.80
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Solution
The fourth proportional to 163.06, 225.01 and 107.80 is: 148.76
Step by Step Solution
- Step 1: Write the proportion equation
163.06 : 225.01 = 107.80 : x - Step 2: Convert to fraction form
163.06/225.01 = 107.80/x - Step 3: Cross multiply
163.06x = 225.01 × 107.80 - Step 4: Simplify right side
163.06x = 24,256.08 - Step 5: Solve for x
x = 24,256.08/163.06 - Step 6: Final answer
x = 148.76
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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.