Finding the Fourth Proportional to 283.98, 426.00 and 88.99
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Solution
The fourth proportional to 283.98, 426.00 and 88.99 is: 133.50
Step by Step Solution
- Step 1: Write the proportion equation
283.98 : 426.00 = 88.99 : x - Step 2: Convert to fraction form
283.98/426.00 = 88.99/x - Step 3: Cross multiply
283.98x = 426.00 × 88.99 - Step 4: Simplify right side
283.98x = 37,909.30 - Step 5: Solve for x
x = 37,909.30/283.98 - Step 6: Final answer
x = 133.50
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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.