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Finding the Fourth Proportional to 546.45, 753.57 and 369.54

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Solution

The fourth proportional to 546.45, 753.57 and 369.54 is: 509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.45 : 753.57 = 369.54 : x
  2. Step 2: Convert to fraction form
    546.45/753.57 = 369.54/x
  3. Step 3: Cross multiply
    546.45x = 753.57 × 369.54
  4. Step 4: Simplify right side
    546.45x = 278,474.26
  5. Step 5: Solve for x
    x = 278,474.26/546.45
  6. Step 6: Final answer
    x = 509.61

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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.