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Finding the Fourth Proportional to 676.16, 1,014.41 and 367.93

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Solution

The fourth proportional to 676.16, 1,014.41 and 367.93 is: 551.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.16 : 1,014.41 = 367.93 : x
  2. Step 2: Convert to fraction form
    676.16/1,014.41 = 367.93/x
  3. Step 3: Cross multiply
    676.16x = 1,014.41 × 367.93
  4. Step 4: Simplify right side
    676.16x = 373,231.87
  5. Step 5: Solve for x
    x = 373,231.87/676.16
  6. Step 6: Final answer
    x = 551.99

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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.