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Finding the Fourth Proportional to 479.24, 717.42 and 351.08

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Solution

The fourth proportional to 479.24, 717.42 and 351.08 is: 525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.24 : 717.42 = 351.08 : x
  2. Step 2: Convert to fraction form
    479.24/717.42 = 351.08/x
  3. Step 3: Cross multiply
    479.24x = 717.42 × 351.08
  4. Step 4: Simplify right side
    479.24x = 251,871.81
  5. Step 5: Solve for x
    x = 251,871.81/479.24
  6. Step 6: Final answer
    x = 525.57

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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.