Finding the Fourth Proportional to 370.13, 555.26 and 177.75
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Solution
The fourth proportional to 370.13, 555.26 and 177.75 is: 266.66
Step by Step Solution
- Step 1: Write the proportion equation
370.13 : 555.26 = 177.75 : x - Step 2: Convert to fraction form
370.13/555.26 = 177.75/x - Step 3: Cross multiply
370.13x = 555.26 × 177.75 - Step 4: Simplify right side
370.13x = 98,696.58 - Step 5: Solve for x
x = 98,696.58/370.13 - Step 6: Final answer
x = 266.66
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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.