Finding the Fourth Proportional to 394.77, 544.73 and 228.99
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Solution
The fourth proportional to 394.77, 544.73 and 228.99 is: 315.97
Step by Step Solution
- Step 1: Write the proportion equation
394.77 : 544.73 = 228.99 : x - Step 2: Convert to fraction form
394.77/544.73 = 228.99/x - Step 3: Cross multiply
394.77x = 544.73 × 228.99 - Step 4: Simplify right side
394.77x = 124,736.58 - Step 5: Solve for x
x = 124,736.58/394.77 - Step 6: Final answer
x = 315.97
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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.