Finding the Fourth Proportional to 520.99, 718.75 and 334.44
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Solution
The fourth proportional to 520.99, 718.75 and 334.44 is: 461.39
Step by Step Solution
- Step 1: Write the proportion equation
520.99 : 718.75 = 334.44 : x - Step 2: Convert to fraction form
520.99/718.75 = 334.44/x - Step 3: Cross multiply
520.99x = 718.75 × 334.44 - Step 4: Simplify right side
520.99x = 240,378.75 - Step 5: Solve for x
x = 240,378.75/520.99 - Step 6: Final answer
x = 461.39
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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.