Finding the Fourth Proportional to 612.98, 845.91 and 350.99
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Solution
The fourth proportional to 612.98, 845.91 and 350.99 is: 484.36
Step by Step Solution
- Step 1: Write the proportion equation
612.98 : 845.91 = 350.99 : x - Step 2: Convert to fraction form
612.98/845.91 = 350.99/x - Step 3: Cross multiply
612.98x = 845.91 × 350.99 - Step 4: Simplify right side
612.98x = 296,905.95 - Step 5: Solve for x
x = 296,905.95/612.98 - Step 6: Final answer
x = 484.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.