Finding the Fourth Proportional to 737.92, 1,104 and 608.64
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Solution
The fourth proportional to 737.92, 1,104 and 608.64 is: 910.58
Step by Step Solution
- Step 1: Write the proportion equation
737.92 : 1,104 = 608.64 : x - Step 2: Convert to fraction form
737.92/1,104 = 608.64/x - Step 3: Cross multiply
737.92x = 1,104 × 608.64 - Step 4: Simplify right side
737.92x = 671,938.56 - Step 5: Solve for x
x = 671,938.56/737.92 - Step 6: Final answer
x = 910.58
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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.