Finding the Fourth Proportional to 340.14, 469.18 and 207.26
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Solution
The fourth proportional to 340.14, 469.18 and 207.26 is: 285.89
Step by Step Solution
- Step 1: Write the proportion equation
340.14 : 469.18 = 207.26 : x - Step 2: Convert to fraction form
340.14/469.18 = 207.26/x - Step 3: Cross multiply
340.14x = 469.18 × 207.26 - Step 4: Simplify right side
340.14x = 97,242.25 - Step 5: Solve for x
x = 97,242.25/340.14 - Step 6: Final answer
x = 285.89
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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.