Finding the Fourth Proportional to 210.73, 290.49 and 166.99
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Solution
The fourth proportional to 210.73, 290.49 and 166.99 is: 230.19
Step by Step Solution
- Step 1: Write the proportion equation
210.73 : 290.49 = 166.99 : x - Step 2: Convert to fraction form
210.73/290.49 = 166.99/x - Step 3: Cross multiply
210.73x = 290.49 × 166.99 - Step 4: Simplify right side
210.73x = 48,508.93 - Step 5: Solve for x
x = 48,508.93/210.73 - Step 6: Final answer
x = 230.19
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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.