Finding the Fourth Proportional to 434.24, 651.36 and 358.08
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Solution
The fourth proportional to 434.24, 651.36 and 358.08 is: 537.12
Step by Step Solution
- Step 1: Write the proportion equation
434.24 : 651.36 = 358.08 : x - Step 2: Convert to fraction form
434.24/651.36 = 358.08/x - Step 3: Cross multiply
434.24x = 651.36 × 358.08 - Step 4: Simplify right side
434.24x = 233,238.99 - Step 5: Solve for x
x = 233,238.99/434.24 - Step 6: Final answer
x = 537.12
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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.