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Finding the Fourth Proportional to 479.83, 662.42 and 293.36

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Solution

The fourth proportional to 479.83, 662.42 and 293.36 is: 405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.83 : 662.42 = 293.36 : x
  2. Step 2: Convert to fraction form
    479.83/662.42 = 293.36/x
  3. Step 3: Cross multiply
    479.83x = 662.42 × 293.36
  4. Step 4: Simplify right side
    479.83x = 194,329.92
  5. Step 5: Solve for x
    x = 194,329.92/479.83
  6. Step 6: Final answer
    x = 405.00

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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.