Finding the Fourth Proportional to 265.24, 397.70 and 118.99
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Solution
The fourth proportional to 265.24, 397.70 and 118.99 is: 178.41
Step by Step Solution
- Step 1: Write the proportion equation
265.24 : 397.70 = 118.99 : x - Step 2: Convert to fraction form
265.24/397.70 = 118.99/x - Step 3: Cross multiply
265.24x = 397.70 × 118.99 - Step 4: Simplify right side
265.24x = 47,319.74 - Step 5: Solve for x
x = 47,319.74/265.24 - Step 6: Final answer
x = 178.41
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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.