Finding the Fourth Proportional to 323.99, 485.88 and 107.53
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Solution
The fourth proportional to 323.99, 485.88 and 107.53 is: 161.26
Step by Step Solution
- Step 1: Write the proportion equation
323.99 : 485.88 = 107.53 : x - Step 2: Convert to fraction form
323.99/485.88 = 107.53/x - Step 3: Cross multiply
323.99x = 485.88 × 107.53 - Step 4: Simplify right side
323.99x = 52,246.68 - Step 5: Solve for x
x = 52,246.68/323.99 - Step 6: Final answer
x = 161.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.