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Finding the Fourth Proportional to 416.33, 624.73 and 351.03

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Solution

The fourth proportional to 416.33, 624.73 and 351.03 is: 526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.33 : 624.73 = 351.03 : x
  2. Step 2: Convert to fraction form
    416.33/624.73 = 351.03/x
  3. Step 3: Cross multiply
    416.33x = 624.73 × 351.03
  4. Step 4: Simplify right side
    416.33x = 219,298.97
  5. Step 5: Solve for x
    x = 219,298.97/416.33
  6. Step 6: Final answer
    x = 526.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.