Finding the Fourth Proportional to 534.19, 737.19 and 324.40
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Solution
The fourth proportional to 534.19, 737.19 and 324.40 is: 447.68
Step by Step Solution
- Step 1: Write the proportion equation
534.19 : 737.19 = 324.40 : x - Step 2: Convert to fraction form
534.19/737.19 = 324.40/x - Step 3: Cross multiply
534.19x = 737.19 × 324.40 - Step 4: Simplify right side
534.19x = 239,144.44 - Step 5: Solve for x
x = 239,144.44/534.19 - Step 6: Final answer
x = 447.68
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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.