Finding the Fourth Proportional to 163.08, 224.99 and 100.79
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Solution
The fourth proportional to 163.08, 224.99 and 100.79 is: 139.05
Step by Step Solution
- Step 1: Write the proportion equation
163.08 : 224.99 = 100.79 : x - Step 2: Convert to fraction form
163.08/224.99 = 100.79/x - Step 3: Cross multiply
163.08x = 224.99 × 100.79 - Step 4: Simplify right side
163.08x = 22,676.24 - Step 5: Solve for x
x = 22,676.24/163.08 - Step 6: Final answer
x = 139.05
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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.