Finding the Fourth Proportional to 394.93, 544.99 and 229.03
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Solution
The fourth proportional to 394.93, 544.99 and 229.03 is: 316.05
Step by Step Solution
- Step 1: Write the proportion equation
394.93 : 544.99 = 229.03 : x - Step 2: Convert to fraction form
394.93/544.99 = 229.03/x - Step 3: Cross multiply
394.93x = 544.99 × 229.03 - Step 4: Simplify right side
394.93x = 124,819.06 - Step 5: Solve for x
x = 124,819.06/394.93 - Step 6: Final answer
x = 316.05
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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.