Finding the Fourth Proportional to 164.49, 226.99 and 98.99
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Solution
The fourth proportional to 164.49, 226.99 and 98.99 is: 136.60
Step by Step Solution
- Step 1: Write the proportion equation
164.49 : 226.99 = 98.99 : x - Step 2: Convert to fraction form
164.49/226.99 = 98.99/x - Step 3: Cross multiply
164.49x = 226.99 × 98.99 - Step 4: Simplify right side
164.49x = 22,469.74 - Step 5: Solve for x
x = 22,469.74/164.49 - Step 6: Final answer
x = 136.60
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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.