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Finding the Fourth Proportional to 479.28, 717.84 and 468.48

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Solution

The fourth proportional to 479.28, 717.84 and 468.48 is: 701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.28 : 717.84 = 468.48 : x
  2. Step 2: Convert to fraction form
    479.28/717.84 = 468.48/x
  3. Step 3: Cross multiply
    479.28x = 717.84 × 468.48
  4. Step 4: Simplify right side
    479.28x = 336,293.68
  5. Step 5: Solve for x
    x = 336,293.68/479.28
  6. Step 6: Final answer
    x = 701.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.