Finding the Fourth Proportional to 398.23, 596.08 and 383.11
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Solution
The fourth proportional to 398.23, 596.08 and 383.11 is: 573.45
Step by Step Solution
- Step 1: Write the proportion equation
398.23 : 596.08 = 383.11 : x - Step 2: Convert to fraction form
398.23/596.08 = 383.11/x - Step 3: Cross multiply
398.23x = 596.08 × 383.11 - Step 4: Simplify right side
398.23x = 228,364.21 - Step 5: Solve for x
x = 228,364.21/398.23 - Step 6: Final answer
x = 573.45
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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.