Finding the Fourth Proportional to 362.19, 499.63 and 214.80
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Solution
The fourth proportional to 362.19, 499.63 and 214.80 is: 296.31
Step by Step Solution
- Step 1: Write the proportion equation
362.19 : 499.63 = 214.80 : x - Step 2: Convert to fraction form
362.19/499.63 = 214.80/x - Step 3: Cross multiply
362.19x = 499.63 × 214.80 - Step 4: Simplify right side
362.19x = 107,319.99 - Step 5: Solve for x
x = 107,319.99/362.19 - Step 6: Final answer
x = 296.31
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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.