Finding the Fourth Proportional to 681.98, 1,022.99 and 194.99
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Solution
The fourth proportional to 681.98, 1,022.99 and 194.99 is: 292.48
Step by Step Solution
- Step 1: Write the proportion equation
681.98 : 1,022.99 = 194.99 : x - Step 2: Convert to fraction form
681.98/1,022.99 = 194.99/x - Step 3: Cross multiply
681.98x = 1,022.99 × 194.99 - Step 4: Simplify right side
681.98x = 199,466.73 - Step 5: Solve for x
x = 199,466.73/681.98 - Step 6: Final answer
x = 292.48
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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.