Finding the Fourth Proportional to 307.53, 424.44 and 207.95
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Solution
The fourth proportional to 307.53, 424.44 and 207.95 is: 287.00
Step by Step Solution
- Step 1: Write the proportion equation
307.53 : 424.44 = 207.95 : x - Step 2: Convert to fraction form
307.53/424.44 = 207.95/x - Step 3: Cross multiply
307.53x = 424.44 × 207.95 - Step 4: Simplify right side
307.53x = 88,260.18 - Step 5: Solve for x
x = 88,260.18/307.53 - Step 6: Final answer
x = 287.00
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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.