Finding the Fourth Proportional to 349.87, 482.99 and 218.95
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Solution
The fourth proportional to 349.87, 482.99 and 218.95 is: 302.26
Step by Step Solution
- Step 1: Write the proportion equation
349.87 : 482.99 = 218.95 : x - Step 2: Convert to fraction form
349.87/482.99 = 218.95/x - Step 3: Cross multiply
349.87x = 482.99 × 218.95 - Step 4: Simplify right side
349.87x = 105,750.66 - Step 5: Solve for x
x = 105,750.66/349.87 - Step 6: Final answer
x = 302.26
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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.