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Finding the Fourth Proportional to 600.38, 900.82 and 307.70

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Solution

The fourth proportional to 600.38, 900.82 and 307.70 is: 461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.38 : 900.82 = 307.70 : x
  2. Step 2: Convert to fraction form
    600.38/900.82 = 307.70/x
  3. Step 3: Cross multiply
    600.38x = 900.82 × 307.70
  4. Step 4: Simplify right side
    600.38x = 277,182.31
  5. Step 5: Solve for x
    x = 277,182.31/600.38
  6. Step 6: Final answer
    x = 461.68

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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.