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Finding the Fourth Proportional to 546.29, 754.04 and 357.27

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Solution

The fourth proportional to 546.29, 754.04 and 357.27 is: 493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.29 : 754.04 = 357.27 : x
  2. Step 2: Convert to fraction form
    546.29/754.04 = 357.27/x
  3. Step 3: Cross multiply
    546.29x = 754.04 × 357.27
  4. Step 4: Simplify right side
    546.29x = 269,392.99
  5. Step 5: Solve for x
    x = 269,392.99/546.29
  6. Step 6: Final answer
    x = 493.13

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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.