Finding the Fourth Proportional to 283.95, 425.99 and 153.95
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Solution
The fourth proportional to 283.95, 425.99 and 153.95 is: 230.95
Step by Step Solution
- Step 1: Write the proportion equation
283.95 : 425.99 = 153.95 : x - Step 2: Convert to fraction form
283.95/425.99 = 153.95/x - Step 3: Cross multiply
283.95x = 425.99 × 153.95 - Step 4: Simplify right side
283.95x = 65,578.26 - Step 5: Solve for x
x = 65,578.26/283.95 - Step 6: Final answer
x = 230.95
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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.