Finding the Fourth Proportional to 283.19, 422.73 and 246.74
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Solution
The fourth proportional to 283.19, 422.73 and 246.74 is: 368.32
Step by Step Solution
- Step 1: Write the proportion equation
283.19 : 422.73 = 246.74 : x - Step 2: Convert to fraction form
283.19/422.73 = 246.74/x - Step 3: Cross multiply
283.19x = 422.73 × 246.74 - Step 4: Simplify right side
283.19x = 104,302.29 - Step 5: Solve for x
x = 104,302.29/283.19 - Step 6: Final answer
x = 368.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.