Finding the Fourth Proportional to 246.99, 340.79 and 153.75
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Solution
The fourth proportional to 246.99, 340.79 and 153.75 is: 212.14
Step by Step Solution
- Step 1: Write the proportion equation
246.99 : 340.79 = 153.75 : x - Step 2: Convert to fraction form
246.99/340.79 = 153.75/x - Step 3: Cross multiply
246.99x = 340.79 × 153.75 - Step 4: Simplify right side
246.99x = 52,395.69 - Step 5: Solve for x
x = 52,395.69/246.99 - Step 6: Final answer
x = 212.14
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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.