Finding the Fourth Proportional to 444.75, 613.80 and 248.26
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Solution
The fourth proportional to 444.75, 613.80 and 248.26 is: 342.62
Step by Step Solution
- Step 1: Write the proportion equation
444.75 : 613.80 = 248.26 : x - Step 2: Convert to fraction form
444.75/613.80 = 248.26/x - Step 3: Cross multiply
444.75x = 613.80 × 248.26 - Step 4: Simplify right side
444.75x = 152,381.99 - Step 5: Solve for x
x = 152,381.99/444.75 - Step 6: Final answer
x = 342.62
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Find fourth proportional to 222.38, 306.90 and 124.13
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Double scale
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1.5x scale
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.