Finding the Fourth Proportional to 283.99, 425.70 and 135.48
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Solution
The fourth proportional to 283.99, 425.70 and 135.48 is: 203.08
Step by Step Solution
- Step 1: Write the proportion equation
283.99 : 425.70 = 135.48 : x - Step 2: Convert to fraction form
283.99/425.70 = 135.48/x - Step 3: Cross multiply
283.99x = 425.70 × 135.48 - Step 4: Simplify right side
283.99x = 57,673.50 - Step 5: Solve for x
x = 57,673.50/283.99 - Step 6: Final answer
x = 203.08
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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.