Finding the Fourth Proportional to 416.84, 575.19 and 239.79
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Solution
The fourth proportional to 416.84, 575.19 and 239.79 is: 330.89
Step by Step Solution
- Step 1: Write the proportion equation
416.84 : 575.19 = 239.79 : x - Step 2: Convert to fraction form
416.84/575.19 = 239.79/x - Step 3: Cross multiply
416.84x = 575.19 × 239.79 - Step 4: Simplify right side
416.84x = 137,926.97 - Step 5: Solve for x
x = 137,926.97/416.84 - Step 6: Final answer
x = 330.89
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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.