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Finding the Fourth Proportional to 634.03, 950.77 and 402.71

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Solution

The fourth proportional to 634.03, 950.77 and 402.71 is: 603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.03 : 950.77 = 402.71 : x
  2. Step 2: Convert to fraction form
    634.03/950.77 = 402.71/x
  3. Step 3: Cross multiply
    634.03x = 950.77 × 402.71
  4. Step 4: Simplify right side
    634.03x = 382,880.34
  5. Step 5: Solve for x
    x = 382,880.34/634.03
  6. Step 6: Final answer
    x = 603.89

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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.