Finding the Fourth Proportional to 297.99, 446.96 and 102.99
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Solution
The fourth proportional to 297.99, 446.96 and 102.99 is: 154.48
Step by Step Solution
- Step 1: Write the proportion equation
297.99 : 446.96 = 102.99 : x - Step 2: Convert to fraction form
297.99/446.96 = 102.99/x - Step 3: Cross multiply
297.99x = 446.96 × 102.99 - Step 4: Simplify right side
297.99x = 46,032.41 - Step 5: Solve for x
x = 46,032.41/297.99 - Step 6: Final answer
x = 154.48
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1.5x scale
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.