Finding the Fourth Proportional to 246.55, 340.14 and 151.99
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Solution
The fourth proportional to 246.55, 340.14 and 151.99 is: 209.69
Step by Step Solution
- Step 1: Write the proportion equation
246.55 : 340.14 = 151.99 : x - Step 2: Convert to fraction form
246.55/340.14 = 151.99/x - Step 3: Cross multiply
246.55x = 340.14 × 151.99 - Step 4: Simplify right side
246.55x = 51,697.88 - Step 5: Solve for x
x = 51,697.88/246.55 - Step 6: Final answer
x = 209.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.