Finding the Fourth Proportional to 473.36, 653.26 and 276.99
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Solution
The fourth proportional to 473.36, 653.26 and 276.99 is: 382.26
Step by Step Solution
- Step 1: Write the proportion equation
473.36 : 653.26 = 276.99 : x - Step 2: Convert to fraction form
473.36/653.26 = 276.99/x - Step 3: Cross multiply
473.36x = 653.26 × 276.99 - Step 4: Simplify right side
473.36x = 180,946.49 - Step 5: Solve for x
x = 180,946.49/473.36 - Step 6: Final answer
x = 382.26
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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.