Finding the Fourth Proportional to 416.91, 575.08 and 269.65
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Solution
The fourth proportional to 416.91, 575.08 and 269.65 is: 371.95
Step by Step Solution
- Step 1: Write the proportion equation
416.91 : 575.08 = 269.65 : x - Step 2: Convert to fraction form
416.91/575.08 = 269.65/x - Step 3: Cross multiply
416.91x = 575.08 × 269.65 - Step 4: Simplify right side
416.91x = 155,068.21 - Step 5: Solve for x
x = 155,068.21/416.91 - Step 6: Final answer
x = 371.95
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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.