Finding the Fourth Proportional to 451.46, 622.99 and 254.98
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Solution
The fourth proportional to 451.46, 622.99 and 254.98 is: 351.86
Step by Step Solution
- Step 1: Write the proportion equation
451.46 : 622.99 = 254.98 : x - Step 2: Convert to fraction form
451.46/622.99 = 254.98/x - Step 3: Cross multiply
451.46x = 622.99 × 254.98 - Step 4: Simplify right side
451.46x = 158,849.99 - Step 5: Solve for x
x = 158,849.99/451.46 - Step 6: Final answer
x = 351.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.