Finding the Fourth Proportional to 163.08, 244.80 and 99
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Solution
The fourth proportional to 163.08, 244.80 and 99 is: 148.61
Step by Step Solution
- Step 1: Write the proportion equation
163.08 : 244.80 = 99 : x - Step 2: Convert to fraction form
163.08/244.80 = 99/x - Step 3: Cross multiply
163.08x = 244.80 × 99 - Step 4: Simplify right side
163.08x = 24,235.20 - Step 5: Solve for x
x = 24,235.20/163.08 - Step 6: Final answer
x = 148.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.