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Finding the Fourth Proportional to 546.74, 754.71 and 350.42

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Solution

The fourth proportional to 546.74, 754.71 and 350.42 is: 483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.74 : 754.71 = 350.42 : x
  2. Step 2: Convert to fraction form
    546.74/754.71 = 350.42/x
  3. Step 3: Cross multiply
    546.74x = 754.71 × 350.42
  4. Step 4: Simplify right side
    546.74x = 264,465.48
  5. Step 5: Solve for x
    x = 264,465.48/546.74
  6. Step 6: Final answer
    x = 483.71

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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.