Finding the Fourth Proportional to 286.58, 395.62 and 176.08
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Solution
The fourth proportional to 286.58, 395.62 and 176.08 is: 243.08
Step by Step Solution
- Step 1: Write the proportion equation
286.58 : 395.62 = 176.08 : x - Step 2: Convert to fraction form
286.58/395.62 = 176.08/x - Step 3: Cross multiply
286.58x = 395.62 × 176.08 - Step 4: Simplify right side
286.58x = 69,660.77 - Step 5: Solve for x
x = 69,660.77/286.58 - Step 6: Final answer
x = 243.08
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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.