Finding the Fourth Proportional to 737.21, 1,106 and 217.19
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Solution
The fourth proportional to 737.21, 1,106 and 217.19 is: 325.84
Step by Step Solution
- Step 1: Write the proportion equation
737.21 : 1,106 = 217.19 : x - Step 2: Convert to fraction form
737.21/1,106 = 217.19/x - Step 3: Cross multiply
737.21x = 1,106 × 217.19 - Step 4: Simplify right side
737.21x = 240,212.14 - Step 5: Solve for x
x = 240,212.14/737.21 - Step 6: Final answer
x = 325.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.