Finding the Fourth Proportional to 454.53, 626.99 and 279.75
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Solution
The fourth proportional to 454.53, 626.99 and 279.75 is: 385.89
Step by Step Solution
- Step 1: Write the proportion equation
454.53 : 626.99 = 279.75 : x - Step 2: Convert to fraction form
454.53/626.99 = 279.75/x - Step 3: Cross multiply
454.53x = 626.99 × 279.75 - Step 4: Simplify right side
454.53x = 175,399.05 - Step 5: Solve for x
x = 175,399.05/454.53 - Step 6: Final answer
x = 385.89
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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.