Finding the Fourth Proportional to 394.71, 544.71 and 228.99
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Solution
The fourth proportional to 394.71, 544.71 and 228.99 is: 316.01
Step by Step Solution
- Step 1: Write the proportion equation
394.71 : 544.71 = 228.99 : x - Step 2: Convert to fraction form
394.71/544.71 = 228.99/x - Step 3: Cross multiply
394.71x = 544.71 × 228.99 - Step 4: Simplify right side
394.71x = 124,733.14 - Step 5: Solve for x
x = 124,733.14/394.71 - Step 6: Final answer
x = 316.01
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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.