Finding the Fourth Proportional to 330.93, 456.68 and 183.58
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Solution
The fourth proportional to 330.93, 456.68 and 183.58 is: 253.34
Step by Step Solution
- Step 1: Write the proportion equation
330.93 : 456.68 = 183.58 : x - Step 2: Convert to fraction form
330.93/456.68 = 183.58/x - Step 3: Cross multiply
330.93x = 456.68 × 183.58 - Step 4: Simplify right side
330.93x = 83,836.63 - Step 5: Solve for x
x = 83,836.63/330.93 - Step 6: Final answer
x = 253.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.