Finding the Fourth Proportional to 403.99, 606.18 and 281.98
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Solution
The fourth proportional to 403.99, 606.18 and 281.98 is: 423.11
Step by Step Solution
- Step 1: Write the proportion equation
403.99 : 606.18 = 281.98 : x - Step 2: Convert to fraction form
403.99/606.18 = 281.98/x - Step 3: Cross multiply
403.99x = 606.18 × 281.98 - Step 4: Simplify right side
403.99x = 170,932.45 - Step 5: Solve for x
x = 170,932.45/403.99 - Step 6: Final answer
x = 423.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.