Finding the Fourth Proportional to 330.99, 496.62 and 125.66
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Solution
The fourth proportional to 330.99, 496.62 and 125.66 is: 188.53
Step by Step Solution
- Step 1: Write the proportion equation
330.99 : 496.62 = 125.66 : x - Step 2: Convert to fraction form
330.99/496.62 = 125.66/x - Step 3: Cross multiply
330.99x = 496.62 × 125.66 - Step 4: Simplify right side
330.99x = 62,402.79 - Step 5: Solve for x
x = 62,402.79/330.99 - Step 6: Final answer
x = 188.53
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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.