Finding the Fourth Proportional to 338.09, 506.97 and 272.93
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Solution
The fourth proportional to 338.09, 506.97 and 272.93 is: 409.26
Step by Step Solution
- Step 1: Write the proportion equation
338.09 : 506.97 = 272.93 : x - Step 2: Convert to fraction form
338.09/506.97 = 272.93/x - Step 3: Cross multiply
338.09x = 506.97 × 272.93 - Step 4: Simplify right side
338.09x = 138,364.79 - Step 5: Solve for x
x = 138,364.79/338.09 - Step 6: Final answer
x = 409.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.