Finding the Fourth Proportional to 584.59, 876.99 and 199.75
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Solution
The fourth proportional to 584.59, 876.99 and 199.75 is: 299.66
Step by Step Solution
- Step 1: Write the proportion equation
584.59 : 876.99 = 199.75 : x - Step 2: Convert to fraction form
584.59/876.99 = 199.75/x - Step 3: Cross multiply
584.59x = 876.99 × 199.75 - Step 4: Simplify right side
584.59x = 175,178.75 - Step 5: Solve for x
x = 175,178.75/584.59 - Step 6: Final answer
x = 299.66
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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.