Finding the Fourth Proportional to 352.93, 487.07 and 197.68
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Solution
The fourth proportional to 352.93, 487.07 and 197.68 is: 272.81
Step by Step Solution
- Step 1: Write the proportion equation
352.93 : 487.07 = 197.68 : x - Step 2: Convert to fraction form
352.93/487.07 = 197.68/x - Step 3: Cross multiply
352.93x = 487.07 × 197.68 - Step 4: Simplify right side
352.93x = 96,283.01 - Step 5: Solve for x
x = 96,283.01/352.93 - Step 6: Final answer
x = 272.81
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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.