Finding the Fourth Proportional to 541.55, 812.42 and 252.99
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Solution
The fourth proportional to 541.55, 812.42 and 252.99 is: 379.53
Step by Step Solution
- Step 1: Write the proportion equation
541.55 : 812.42 = 252.99 : x - Step 2: Convert to fraction form
541.55/812.42 = 252.99/x - Step 3: Cross multiply
541.55x = 812.42 × 252.99 - Step 4: Simplify right side
541.55x = 205,533.82 - Step 5: Solve for x
x = 205,533.82/541.55 - Step 6: Final answer
x = 379.53
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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.