Finding the Fourth Proportional to 395.06, 545.09 and 270.68
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Solution
The fourth proportional to 395.06, 545.09 and 270.68 is: 373.48
Step by Step Solution
- Step 1: Write the proportion equation
395.06 : 545.09 = 270.68 : x - Step 2: Convert to fraction form
395.06/545.09 = 270.68/x - Step 3: Cross multiply
395.06x = 545.09 × 270.68 - Step 4: Simplify right side
395.06x = 147,544.97 - Step 5: Solve for x
x = 147,544.97/395.06 - Step 6: Final answer
x = 373.48
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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.