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Finding the Fourth Proportional to 479.07, 719.01 and 296.82

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Solution

The fourth proportional to 479.07, 719.01 and 296.82 is: 445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.07 : 719.01 = 296.82 : x
  2. Step 2: Convert to fraction form
    479.07/719.01 = 296.82/x
  3. Step 3: Cross multiply
    479.07x = 719.01 × 296.82
  4. Step 4: Simplify right side
    479.07x = 213,416.55
  5. Step 5: Solve for x
    x = 213,416.55/479.07
  6. Step 6: Final answer
    x = 445.48

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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.