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Finding the Fourth Proportional to 620.03, 930.17 and 532.82

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Solution

The fourth proportional to 620.03, 930.17 and 532.82 is: 799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    620.03 : 930.17 = 532.82 : x
  2. Step 2: Convert to fraction form
    620.03/930.17 = 532.82/x
  3. Step 3: Cross multiply
    620.03x = 930.17 × 532.82
  4. Step 4: Simplify right side
    620.03x = 495,609.86
  5. Step 5: Solve for x
    x = 495,609.86/620.03
  6. Step 6: Final answer
    x = 799.34

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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.