Finding the Fourth Proportional to 355.08, 489.49 and 249.84
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Solution
The fourth proportional to 355.08, 489.49 and 249.84 is: 344.41
Step by Step Solution
- Step 1: Write the proportion equation
355.08 : 489.49 = 249.84 : x - Step 2: Convert to fraction form
355.08/489.49 = 249.84/x - Step 3: Cross multiply
355.08x = 489.49 × 249.84 - Step 4: Simplify right side
355.08x = 122,294.18 - Step 5: Solve for x
x = 122,294.18/355.08 - Step 6: Final answer
x = 344.41
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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.