Finding the Fourth Proportional to 356.73, 534.99 and 140.26
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Solution
The fourth proportional to 356.73, 534.99 and 140.26 is: 210.35
Step by Step Solution
- Step 1: Write the proportion equation
356.73 : 534.99 = 140.26 : x - Step 2: Convert to fraction form
356.73/534.99 = 140.26/x - Step 3: Cross multiply
356.73x = 534.99 × 140.26 - Step 4: Simplify right side
356.73x = 75,037.70 - Step 5: Solve for x
x = 75,037.70/356.73 - Step 6: Final answer
x = 210.35
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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.