Finding the Fourth Proportional to 340.00, 469.08 and 207.21
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Solution
The fourth proportional to 340.00, 469.08 and 207.21 is: 285.88
Step by Step Solution
- Step 1: Write the proportion equation
340.00 : 469.08 = 207.21 : x - Step 2: Convert to fraction form
340.00/469.08 = 207.21/x - Step 3: Cross multiply
340.00x = 469.08 × 207.21 - Step 4: Simplify right side
340.00x = 97,197.08 - Step 5: Solve for x
x = 97,197.08/340.00 - Step 6: Final answer
x = 285.88
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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.