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Finding the Fourth Proportional to 634.34, 953.10 and 403.34

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Solution

The fourth proportional to 634.34, 953.10 and 403.34 is: 606.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.34 : 953.10 = 403.34 : x
  2. Step 2: Convert to fraction form
    634.34/953.10 = 403.34/x
  3. Step 3: Cross multiply
    634.34x = 953.10 × 403.34
  4. Step 4: Simplify right side
    634.34x = 384,418.59
  5. Step 5: Solve for x
    x = 384,418.59/634.34
  6. Step 6: Final answer
    x = 606.02

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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.