Finding the Fourth Proportional to 294.36, 438.99 and 272.76
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Solution
The fourth proportional to 294.36, 438.99 and 272.76 is: 406.78
Step by Step Solution
- Step 1: Write the proportion equation
294.36 : 438.99 = 272.76 : x - Step 2: Convert to fraction form
294.36/438.99 = 272.76/x - Step 3: Cross multiply
294.36x = 438.99 × 272.76 - Step 4: Simplify right side
294.36x = 119,738.91 - Step 5: Solve for x
x = 119,738.91/294.36 - Step 6: Final answer
x = 406.78
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.