Finding the Fourth Proportional to 534.78, 802.26 and 260.70
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Solution
The fourth proportional to 534.78, 802.26 and 260.70 is: 391.09
Step by Step Solution
- Step 1: Write the proportion equation
534.78 : 802.26 = 260.70 : x - Step 2: Convert to fraction form
534.78/802.26 = 260.70/x - Step 3: Cross multiply
534.78x = 802.26 × 260.70 - Step 4: Simplify right side
534.78x = 209,149.18 - Step 5: Solve for x
x = 209,149.18/534.78 - Step 6: Final answer
x = 391.09
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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.