Finding the Fourth Proportional to 163.17, 224.99 and 104.08
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Solution
The fourth proportional to 163.17, 224.99 and 104.08 is: 143.51
Step by Step Solution
- Step 1: Write the proportion equation
163.17 : 224.99 = 104.08 : x - Step 2: Convert to fraction form
163.17/224.99 = 104.08/x - Step 3: Cross multiply
163.17x = 224.99 × 104.08 - Step 4: Simplify right side
163.17x = 23,415.45 - Step 5: Solve for x
x = 23,415.45/163.17 - Step 6: Final answer
x = 143.51
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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.