Finding the Fourth Proportional to 865.93, 1,194.99 and 472.96
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Solution
The fourth proportional to 865.93, 1,194.99 and 472.96 is: 652.69
Step by Step Solution
- Step 1: Write the proportion equation
865.93 : 1,194.99 = 472.96 : x - Step 2: Convert to fraction form
865.93/1,194.99 = 472.96/x - Step 3: Cross multiply
865.93x = 1,194.99 × 472.96 - Step 4: Simplify right side
865.93x = 565,182.19 - Step 5: Solve for x
x = 565,182.19/865.93 - Step 6: Final answer
x = 652.69
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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.