Finding the Fourth Proportional to 655.04, 904 and 379.04
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Solution
The fourth proportional to 655.04, 904 and 379.04 is: 523.10
Step by Step Solution
- Step 1: Write the proportion equation
655.04 : 904 = 379.04 : x - Step 2: Convert to fraction form
655.04/904 = 379.04/x - Step 3: Cross multiply
655.04x = 904 × 379.04 - Step 4: Simplify right side
655.04x = 342,652.16 - Step 5: Solve for x
x = 342,652.16/655.04 - Step 6: Final answer
x = 523.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.