Finding the Fourth Proportional to 468.51, 702.77 and 276
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Solution
The fourth proportional to 468.51, 702.77 and 276 is: 414
Step by Step Solution
- Step 1: Write the proportion equation
468.51 : 702.77 = 276 : x - Step 2: Convert to fraction form
468.51/702.77 = 276/x - Step 3: Cross multiply
468.51x = 702.77 × 276 - Step 4: Simplify right side
468.51x = 193,963.14 - Step 5: Solve for x
x = 193,963.14/468.51 - Step 6: Final answer
x = 414
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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.