Finding the Fourth Proportional to 371.18, 556.87 and 313.54
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Solution
The fourth proportional to 371.18, 556.87 and 313.54 is: 470.39
Step by Step Solution
- Step 1: Write the proportion equation
371.18 : 556.87 = 313.54 : x - Step 2: Convert to fraction form
371.18/556.87 = 313.54/x - Step 3: Cross multiply
371.18x = 556.87 × 313.54 - Step 4: Simplify right side
371.18x = 174,598.24 - Step 5: Solve for x
x = 174,598.24/371.18 - Step 6: Final answer
x = 470.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.