Finding the Fourth Proportional to 430.49, 594.09 and 243.99
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Solution
The fourth proportional to 430.49, 594.09 and 243.99 is: 336.70
Step by Step Solution
- Step 1: Write the proportion equation
430.49 : 594.09 = 243.99 : x - Step 2: Convert to fraction form
430.49/594.09 = 243.99/x - Step 3: Cross multiply
430.49x = 594.09 × 243.99 - Step 4: Simplify right side
430.49x = 144,949.17 - Step 5: Solve for x
x = 144,949.17/430.49 - Step 6: Final answer
x = 336.70
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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.