Finding the Fourth Proportional to 330.60, 495.88 and 125.26
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Solution
The fourth proportional to 330.60, 495.88 and 125.26 is: 187.88
Step by Step Solution
- Step 1: Write the proportion equation
330.60 : 495.88 = 125.26 : x - Step 2: Convert to fraction form
330.60/495.88 = 125.26/x - Step 3: Cross multiply
330.60x = 495.88 × 125.26 - Step 4: Simplify right side
330.60x = 62,113.93 - Step 5: Solve for x
x = 62,113.93/330.60 - Step 6: Final answer
x = 187.88
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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.