Finding the Fourth Proportional to 349.74, 482.49 and 218.79
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Solution
The fourth proportional to 349.74, 482.49 and 218.79 is: 301.84
Step by Step Solution
- Step 1: Write the proportion equation
349.74 : 482.49 = 218.79 : x - Step 2: Convert to fraction form
349.74/482.49 = 218.79/x - Step 3: Cross multiply
349.74x = 482.49 × 218.79 - Step 4: Simplify right side
349.74x = 105,563.99 - Step 5: Solve for x
x = 105,563.99/349.74 - Step 6: Final answer
x = 301.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.