Finding the Fourth Proportional to 430.18, 593.62 and 243.68
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Solution
The fourth proportional to 430.18, 593.62 and 243.68 is: 336.26
Step by Step Solution
- Step 1: Write the proportion equation
430.18 : 593.62 = 243.68 : x - Step 2: Convert to fraction form
430.18/593.62 = 243.68/x - Step 3: Cross multiply
430.18x = 593.62 × 243.68 - Step 4: Simplify right side
430.18x = 144,649.74 - Step 5: Solve for x
x = 144,649.74/430.18 - Step 6: Final answer
x = 336.26
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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.