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Finding the Fourth Proportional to 439.94, 607.37 and 292.77

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Solution

The fourth proportional to 439.94, 607.37 and 292.77 is: 404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    439.94 : 607.37 = 292.77 : x
  2. Step 2: Convert to fraction form
    439.94/607.37 = 292.77/x
  3. Step 3: Cross multiply
    439.94x = 607.37 × 292.77
  4. Step 4: Simplify right side
    439.94x = 177,818.25
  5. Step 5: Solve for x
    x = 177,818.25/439.94
  6. Step 6: Final answer
    x = 404.19

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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.