Finding the Fourth Proportional to 368.93, 509.10 and 203.14
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Solution
The fourth proportional to 368.93, 509.10 and 203.14 is: 280.32
Step by Step Solution
- Step 1: Write the proportion equation
368.93 : 509.10 = 203.14 : x - Step 2: Convert to fraction form
368.93/509.10 = 203.14/x - Step 3: Cross multiply
368.93x = 509.10 × 203.14 - Step 4: Simplify right side
368.93x = 103,418.06 - Step 5: Solve for x
x = 103,418.06/368.93 - Step 6: Final answer
x = 280.32
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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.