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Finding the Fourth Proportional to 479.76, 719.53 and 167.37

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Solution

The fourth proportional to 479.76, 719.53 and 167.37 is: 251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.76 : 719.53 = 167.37 : x
  2. Step 2: Convert to fraction form
    479.76/719.53 = 167.37/x
  3. Step 3: Cross multiply
    479.76x = 719.53 × 167.37
  4. Step 4: Simplify right side
    479.76x = 120,425.56
  5. Step 5: Solve for x
    x = 120,425.56/479.76
  6. Step 6: Final answer
    x = 251.01

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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.