Finding the Fourth Proportional to 349.35, 482.16 and 201.99
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Solution
The fourth proportional to 349.35, 482.16 and 201.99 is: 278.78
Step by Step Solution
- Step 1: Write the proportion equation
349.35 : 482.16 = 201.99 : x - Step 2: Convert to fraction form
349.35/482.16 = 201.99/x - Step 3: Cross multiply
349.35x = 482.16 × 201.99 - Step 4: Simplify right side
349.35x = 97,391.50 - Step 5: Solve for x
x = 97,391.50/349.35 - Step 6: Final answer
x = 278.78
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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.