Finding the Fourth Proportional to 943.26, 1,415.34 and 366
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Solution
The fourth proportional to 943.26, 1,415.34 and 366 is: 549.17
Step by Step Solution
- Step 1: Write the proportion equation
943.26 : 1,415.34 = 366 : x - Step 2: Convert to fraction form
943.26/1,415.34 = 366/x - Step 3: Cross multiply
943.26x = 1,415.34 × 366 - Step 4: Simplify right side
943.26x = 518,014.44 - Step 5: Solve for x
x = 518,014.44/943.26 - Step 6: Final answer
x = 549.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.