Finding the Fourth Proportional to 455.28, 628.84 and 452.08
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Solution
The fourth proportional to 455.28, 628.84 and 452.08 is: 624.42
Step by Step Solution
- Step 1: Write the proportion equation
455.28 : 628.84 = 452.08 : x - Step 2: Convert to fraction form
455.28/628.84 = 452.08/x - Step 3: Cross multiply
455.28x = 628.84 × 452.08 - Step 4: Simplify right side
455.28x = 284,285.99 - Step 5: Solve for x
x = 284,285.99/455.28 - Step 6: Final answer
x = 624.42
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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.