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Finding the Fourth Proportional to 479.04, 660.48 and 435.36

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Solution

The fourth proportional to 479.04, 660.48 and 435.36 is: 600.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.04 : 660.48 = 435.36 : x
  2. Step 2: Convert to fraction form
    479.04/660.48 = 435.36/x
  3. Step 3: Cross multiply
    479.04x = 660.48 × 435.36
  4. Step 4: Simplify right side
    479.04x = 287,546.57
  5. Step 5: Solve for x
    x = 287,546.57/479.04
  6. Step 6: Final answer
    x = 600.26

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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.