Finding the Fourth Proportional to 349.37, 482.09 and 201.95
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Solution
The fourth proportional to 349.37, 482.09 and 201.95 is: 278.66
Step by Step Solution
- Step 1: Write the proportion equation
349.37 : 482.09 = 201.95 : x - Step 2: Convert to fraction form
349.37/482.09 = 201.95/x - Step 3: Cross multiply
349.37x = 482.09 × 201.95 - Step 4: Simplify right side
349.37x = 97,354.66 - Step 5: Solve for x
x = 97,354.66/349.37 - Step 6: Final answer
x = 278.66
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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.