Finding the Fourth Proportional to 228.99, 342.92 and 207.08
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Solution
The fourth proportional to 228.99, 342.92 and 207.08 is: 310.10
Step by Step Solution
- Step 1: Write the proportion equation
228.99 : 342.92 = 207.08 : x - Step 2: Convert to fraction form
228.99/342.92 = 207.08/x - Step 3: Cross multiply
228.99x = 342.92 × 207.08 - Step 4: Simplify right side
228.99x = 71,009.12 - Step 5: Solve for x
x = 71,009.12/228.99 - Step 6: Final answer
x = 310.10
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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.