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Finding the Fourth Proportional to 479.24, 717.61 and 377.04

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Solution

The fourth proportional to 479.24, 717.61 and 377.04 is: 564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.24 : 717.61 = 377.04 : x
  2. Step 2: Convert to fraction form
    479.24/717.61 = 377.04/x
  3. Step 3: Cross multiply
    479.24x = 717.61 × 377.04
  4. Step 4: Simplify right side
    479.24x = 270,567.67
  5. Step 5: Solve for x
    x = 270,567.67/479.24
  6. Step 6: Final answer
    x = 564.58

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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.