Finding the Fourth Proportional to 283.26, 425.02 and 155
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Solution
The fourth proportional to 283.26, 425.02 and 155 is: 232.57
Step by Step Solution
- Step 1: Write the proportion equation
283.26 : 425.02 = 155 : x - Step 2: Convert to fraction form
283.26/425.02 = 155/x - Step 3: Cross multiply
283.26x = 425.02 × 155 - Step 4: Simplify right side
283.26x = 65,878.10 - Step 5: Solve for x
x = 65,878.10/283.26 - Step 6: Final answer
x = 232.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.