Finding the Fourth Proportional to 494.26, 740.76 and 277.99
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Solution
The fourth proportional to 494.26, 740.76 and 277.99 is: 416.63
Step by Step Solution
- Step 1: Write the proportion equation
494.26 : 740.76 = 277.99 : x - Step 2: Convert to fraction form
494.26/740.76 = 277.99/x - Step 3: Cross multiply
494.26x = 740.76 × 277.99 - Step 4: Simplify right side
494.26x = 205,923.87 - Step 5: Solve for x
x = 205,923.87/494.26 - Step 6: Final answer
x = 416.63
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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.