Finding the Fourth Proportional to 293.19, 440.82 and 284.99
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Solution
The fourth proportional to 293.19, 440.82 and 284.99 is: 428.49
Step by Step Solution
- Step 1: Write the proportion equation
293.19 : 440.82 = 284.99 : x - Step 2: Convert to fraction form
293.19/440.82 = 284.99/x - Step 3: Cross multiply
293.19x = 440.82 × 284.99 - Step 4: Simplify right side
293.19x = 125,630.01 - Step 5: Solve for x
x = 125,630.01/293.19 - Step 6: Final answer
x = 428.49
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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.