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Finding the Fourth Proportional to 612.37, 845.10 and 350.38

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Solution

The fourth proportional to 612.37, 845.10 and 350.38 is: 483.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.37 : 845.10 = 350.38 : x
  2. Step 2: Convert to fraction form
    612.37/845.10 = 350.38/x
  3. Step 3: Cross multiply
    612.37x = 845.10 × 350.38
  4. Step 4: Simplify right side
    612.37x = 296,101.91
  5. Step 5: Solve for x
    x = 296,101.91/612.37
  6. Step 6: Final answer
    x = 483.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.