Finding the Fourth Proportional to 1,301.62, 1,952.70 and 436
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Solution
The fourth proportional to 1,301.62, 1,952.70 and 436 is: 654.09
Step by Step Solution
- Step 1: Write the proportion equation
1,301.62 : 1,952.70 = 436 : x - Step 2: Convert to fraction form
1,301.62/1,952.70 = 436/x - Step 3: Cross multiply
1,301.62x = 1,952.70 × 436 - Step 4: Simplify right side
1,301.62x = 851,377.20 - Step 5: Solve for x
x = 851,377.20/1,301.62 - Step 6: Final answer
x = 654.09
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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.