Finding the Fourth Proportional to 163.36, 244.95 and 76.58
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Solution
The fourth proportional to 163.36, 244.95 and 76.58 is: 114.82
Step by Step Solution
- Step 1: Write the proportion equation
163.36 : 244.95 = 76.58 : x - Step 2: Convert to fraction form
163.36/244.95 = 76.58/x - Step 3: Cross multiply
163.36x = 244.95 × 76.58 - Step 4: Simplify right side
163.36x = 18,757.68 - Step 5: Solve for x
x = 18,757.68/163.36 - Step 6: Final answer
x = 114.82
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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.