Finding the Fourth Proportional to 400.14, 551.97 and 244.80
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Solution
The fourth proportional to 400.14, 551.97 and 244.80 is: 337.69
Step by Step Solution
- Step 1: Write the proportion equation
400.14 : 551.97 = 244.80 : x - Step 2: Convert to fraction form
400.14/551.97 = 244.80/x - Step 3: Cross multiply
400.14x = 551.97 × 244.80 - Step 4: Simplify right side
400.14x = 135,122.26 - Step 5: Solve for x
x = 135,122.26/400.14 - Step 6: Final answer
x = 337.69
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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.