Finding the Fourth Proportional to 297.21, 445.99 and 114.58
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Solution
The fourth proportional to 297.21, 445.99 and 114.58 is: 171.94
Step by Step Solution
- Step 1: Write the proportion equation
297.21 : 445.99 = 114.58 : x - Step 2: Convert to fraction form
297.21/445.99 = 114.58/x - Step 3: Cross multiply
297.21x = 445.99 × 114.58 - Step 4: Simplify right side
297.21x = 51,101.53 - Step 5: Solve for x
x = 51,101.53/297.21 - Step 6: Final answer
x = 171.94
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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.