Finding the Fourth Proportional to 805.74, 1,207.77 and 373.26
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Solution
The fourth proportional to 805.74, 1,207.77 and 373.26 is: 559.50
Step by Step Solution
- Step 1: Write the proportion equation
805.74 : 1,207.77 = 373.26 : x - Step 2: Convert to fraction form
805.74/1,207.77 = 373.26/x - Step 3: Cross multiply
805.74x = 1,207.77 × 373.26 - Step 4: Simplify right side
805.74x = 450,812.23 - Step 5: Solve for x
x = 450,812.23/805.74 - Step 6: Final answer
x = 559.50
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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.