Finding the Fourth Proportional to 313.36, 432.24 and 246.96
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Solution
The fourth proportional to 313.36, 432.24 and 246.96 is: 340.65
Step by Step Solution
- Step 1: Write the proportion equation
313.36 : 432.24 = 246.96 : x - Step 2: Convert to fraction form
313.36/432.24 = 246.96/x - Step 3: Cross multiply
313.36x = 432.24 × 246.96 - Step 4: Simplify right side
313.36x = 106,745.99 - Step 5: Solve for x
x = 106,745.99/313.36 - Step 6: Final answer
x = 340.65
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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.