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Finding the Fourth Proportional to 633.35, 950.03 and 416.87

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Solution

The fourth proportional to 633.35, 950.03 and 416.87 is: 625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    633.35 : 950.03 = 416.87 : x
  2. Step 2: Convert to fraction form
    633.35/950.03 = 416.87/x
  3. Step 3: Cross multiply
    633.35x = 950.03 × 416.87
  4. Step 4: Simplify right side
    633.35x = 396,032.17
  5. Step 5: Solve for x
    x = 396,032.17/633.35
  6. Step 6: Final answer
    x = 625.30

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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.