Finding the Fourth Proportional to 330.17, 494.99 and 124.63
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Solution
The fourth proportional to 330.17, 494.99 and 124.63 is: 186.84
Step by Step Solution
- Step 1: Write the proportion equation
330.17 : 494.99 = 124.63 : x - Step 2: Convert to fraction form
330.17/494.99 = 124.63/x - Step 3: Cross multiply
330.17x = 494.99 × 124.63 - Step 4: Simplify right side
330.17x = 61,688.74 - Step 5: Solve for x
x = 61,688.74/330.17 - Step 6: Final answer
x = 186.84
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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.