Finding the Fourth Proportional to 297.28, 445.08 and 194.68
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Solution
The fourth proportional to 297.28, 445.08 and 194.68 is: 291.47
Step by Step Solution
- Step 1: Write the proportion equation
297.28 : 445.08 = 194.68 : x - Step 2: Convert to fraction form
297.28/445.08 = 194.68/x - Step 3: Cross multiply
297.28x = 445.08 × 194.68 - Step 4: Simplify right side
297.28x = 86,648.17 - Step 5: Solve for x
x = 86,648.17/297.28 - Step 6: Final answer
x = 291.47
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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.