Finding the Fourth Proportional to 982.62, 1,473.91 and 252.19
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Solution
The fourth proportional to 982.62, 1,473.91 and 252.19 is: 378.28
Step by Step Solution
- Step 1: Write the proportion equation
982.62 : 1,473.91 = 252.19 : x - Step 2: Convert to fraction form
982.62/1,473.91 = 252.19/x - Step 3: Cross multiply
982.62x = 1,473.91 × 252.19 - Step 4: Simplify right side
982.62x = 371,701.05 - Step 5: Solve for x
x = 371,701.05/982.62 - Step 6: Final answer
x = 378.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.