Finding the Fourth Proportional to 336.99, 503.21 and 267.75
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Solution
The fourth proportional to 336.99, 503.21 and 267.75 is: 399.82
Step by Step Solution
- Step 1: Write the proportion equation
336.99 : 503.21 = 267.75 : x - Step 2: Convert to fraction form
336.99/503.21 = 267.75/x - Step 3: Cross multiply
336.99x = 503.21 × 267.75 - Step 4: Simplify right side
336.99x = 134,735.15 - Step 5: Solve for x
x = 134,735.15/336.99 - Step 6: Final answer
x = 399.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.