Finding the Fourth Proportional to 495.50, 743.25 and 153.50
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Solution
The fourth proportional to 495.50, 743.25 and 153.50 is: 230.25
Step by Step Solution
- Step 1: Write the proportion equation
495.50 : 743.25 = 153.50 : x - Step 2: Convert to fraction form
495.50/743.25 = 153.50/x - Step 3: Cross multiply
495.50x = 743.25 × 153.50 - Step 4: Simplify right side
495.50x = 114,088.88 - Step 5: Solve for x
x = 114,088.88/495.50 - Step 6: Final answer
x = 230.25
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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.