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Finding the Fourth Proportional to 546.94, 754.53 and 369.68

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Solution

The fourth proportional to 546.94, 754.53 and 369.68 is: 509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.94 : 754.53 = 369.68 : x
  2. Step 2: Convert to fraction form
    546.94/754.53 = 369.68/x
  3. Step 3: Cross multiply
    546.94x = 754.53 × 369.68
  4. Step 4: Simplify right side
    546.94x = 278,929.49
  5. Step 5: Solve for x
    x = 278,929.49/546.94
  6. Step 6: Final answer
    x = 509.98

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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.