Finding the Fourth Proportional to 301.41, 415.92 and 202.99
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Solution
The fourth proportional to 301.41, 415.92 and 202.99 is: 280.11
Step by Step Solution
- Step 1: Write the proportion equation
301.41 : 415.92 = 202.99 : x - Step 2: Convert to fraction form
301.41/415.92 = 202.99/x - Step 3: Cross multiply
301.41x = 415.92 × 202.99 - Step 4: Simplify right side
301.41x = 84,427.60 - Step 5: Solve for x
x = 84,427.60/301.41 - Step 6: Final answer
x = 280.11
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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.