Finding the Fourth Proportional to 343.44, 473.87 and 203.55
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Solution
The fourth proportional to 343.44, 473.87 and 203.55 is: 280.85
Step by Step Solution
- Step 1: Write the proportion equation
343.44 : 473.87 = 203.55 : x - Step 2: Convert to fraction form
343.44/473.87 = 203.55/x - Step 3: Cross multiply
343.44x = 473.87 × 203.55 - Step 4: Simplify right side
343.44x = 96,456.24 - Step 5: Solve for x
x = 96,456.24/343.44 - Step 6: Final answer
x = 280.85
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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.