Finding the Fourth Proportional to 373.12, 514.72 and 235.20
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Solution
The fourth proportional to 373.12, 514.72 and 235.20 is: 324.46
Step by Step Solution
- Step 1: Write the proportion equation
373.12 : 514.72 = 235.20 : x - Step 2: Convert to fraction form
373.12/514.72 = 235.20/x - Step 3: Cross multiply
373.12x = 514.72 × 235.20 - Step 4: Simplify right side
373.12x = 121,062.14 - Step 5: Solve for x
x = 121,062.14/373.12 - Step 6: Final answer
x = 324.46
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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.