Finding the Fourth Proportional to 372.80, 514.44 and 207
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Solution
The fourth proportional to 372.80, 514.44 and 207 is: 285.65
Step by Step Solution
- Step 1: Write the proportion equation
372.80 : 514.44 = 207 : x - Step 2: Convert to fraction form
372.80/514.44 = 207/x - Step 3: Cross multiply
372.80x = 514.44 × 207 - Step 4: Simplify right side
372.80x = 106,489.08 - Step 5: Solve for x
x = 106,489.08/372.80 - Step 6: Final answer
x = 285.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.