Finding the Fourth Proportional to 395.81, 544.97 and 336.68
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Solution
The fourth proportional to 395.81, 544.97 and 336.68 is: 463.55
Step by Step Solution
- Step 1: Write the proportion equation
395.81 : 544.97 = 336.68 : x - Step 2: Convert to fraction form
395.81/544.97 = 336.68/x - Step 3: Cross multiply
395.81x = 544.97 × 336.68 - Step 4: Simplify right side
395.81x = 183,476.09 - Step 5: Solve for x
x = 183,476.09/395.81 - Step 6: Final answer
x = 463.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.