Finding the Fourth Proportional to 494.09, 740.88 and 220.26
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Solution
The fourth proportional to 494.09, 740.88 and 220.26 is: 330.28
Step by Step Solution
- Step 1: Write the proportion equation
494.09 : 740.88 = 220.26 : x - Step 2: Convert to fraction form
494.09/740.88 = 220.26/x - Step 3: Cross multiply
494.09x = 740.88 × 220.26 - Step 4: Simplify right side
494.09x = 163,186.23 - Step 5: Solve for x
x = 163,186.23/494.09 - Step 6: Final answer
x = 330.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.