Finding the Fourth Proportional to 438.93, 658.26 and 195.39
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Solution
The fourth proportional to 438.93, 658.26 and 195.39 is: 293.02
Step by Step Solution
- Step 1: Write the proportion equation
438.93 : 658.26 = 195.39 : x - Step 2: Convert to fraction form
438.93/658.26 = 195.39/x - Step 3: Cross multiply
438.93x = 658.26 × 195.39 - Step 4: Simplify right side
438.93x = 128,617.42 - Step 5: Solve for x
x = 128,617.42/438.93 - Step 6: Final answer
x = 293.02
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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.