Finding the Fourth Proportional to 162.67, 224.49 and 88.99
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Solution
The fourth proportional to 162.67, 224.49 and 88.99 is: 122.80
Step by Step Solution
- Step 1: Write the proportion equation
162.67 : 224.49 = 88.99 : x - Step 2: Convert to fraction form
162.67/224.49 = 88.99/x - Step 3: Cross multiply
162.67x = 224.49 × 88.99 - Step 4: Simplify right side
162.67x = 19,976.36 - Step 5: Solve for x
x = 19,976.36/162.67 - Step 6: Final answer
x = 122.80
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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.