Finding the Fourth Proportional to 283.49, 390.99 and 244.21
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Solution
The fourth proportional to 283.49, 390.99 and 244.21 is: 336.81
Step by Step Solution
- Step 1: Write the proportion equation
283.49 : 390.99 = 244.21 : x - Step 2: Convert to fraction form
283.49/390.99 = 244.21/x - Step 3: Cross multiply
283.49x = 390.99 × 244.21 - Step 4: Simplify right side
283.49x = 95,483.67 - Step 5: Solve for x
x = 95,483.67/283.49 - Step 6: Final answer
x = 336.81
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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.