Finding the Fourth Proportional to 337.68, 506.88 and 145.44
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Solution
The fourth proportional to 337.68, 506.88 and 145.44 is: 218.32
Step by Step Solution
- Step 1: Write the proportion equation
337.68 : 506.88 = 145.44 : x - Step 2: Convert to fraction form
337.68/506.88 = 145.44/x - Step 3: Cross multiply
337.68x = 506.88 × 145.44 - Step 4: Simplify right side
337.68x = 73,720.63 - Step 5: Solve for x
x = 73,720.63/337.68 - Step 6: Final answer
x = 218.32
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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.