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Finding the Fourth Proportional to 612.41, 845.13 and 332.65

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Solution

The fourth proportional to 612.41, 845.13 and 332.65 is: 459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    612.41 : 845.13 = 332.65 : x
  2. Step 2: Convert to fraction form
    612.41/845.13 = 332.65/x
  3. Step 3: Cross multiply
    612.41x = 845.13 × 332.65
  4. Step 4: Simplify right side
    612.41x = 281,133.86
  5. Step 5: Solve for x
    x = 281,133.86/612.41
  6. Step 6: Final answer
    x = 459.06

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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.