Finding the Fourth Proportional to 265.19, 365.93 and 147.13
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Solution
The fourth proportional to 265.19, 365.93 and 147.13 is: 203.02
Step by Step Solution
- Step 1: Write the proportion equation
265.19 : 365.93 = 147.13 : x - Step 2: Convert to fraction form
265.19/365.93 = 147.13/x - Step 3: Cross multiply
265.19x = 365.93 × 147.13 - Step 4: Simplify right side
265.19x = 53,840.24 - Step 5: Solve for x
x = 53,840.24/265.19 - Step 6: Final answer
x = 203.02
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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.