Finding the Fourth Proportional to 364.99, 503.69 and 217.63
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Solution
The fourth proportional to 364.99, 503.69 and 217.63 is: 300.33
Step by Step Solution
- Step 1: Write the proportion equation
364.99 : 503.69 = 217.63 : x - Step 2: Convert to fraction form
364.99/503.69 = 217.63/x - Step 3: Cross multiply
364.99x = 503.69 × 217.63 - Step 4: Simplify right side
364.99x = 109,618.05 - Step 5: Solve for x
x = 109,618.05/364.99 - Step 6: Final answer
x = 300.33
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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.