Finding the Fourth Proportional to 340.98, 511.24 and 135.58
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Solution
The fourth proportional to 340.98, 511.24 and 135.58 is: 203.28
Step by Step Solution
- Step 1: Write the proportion equation
340.98 : 511.24 = 135.58 : x - Step 2: Convert to fraction form
340.98/511.24 = 135.58/x - Step 3: Cross multiply
340.98x = 511.24 × 135.58 - Step 4: Simplify right side
340.98x = 69,313.92 - Step 5: Solve for x
x = 69,313.92/340.98 - Step 6: Final answer
x = 203.28
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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.