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Finding the Fourth Proportional to 508.36, 765.51 and 444.14

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Solution

The fourth proportional to 508.36, 765.51 and 444.14 is: 668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.36 : 765.51 = 444.14 : x
  2. Step 2: Convert to fraction form
    508.36/765.51 = 444.14/x
  3. Step 3: Cross multiply
    508.36x = 765.51 × 444.14
  4. Step 4: Simplify right side
    508.36x = 339,995.53
  5. Step 5: Solve for x
    x = 339,995.53/508.36
  6. Step 6: Final answer
    x = 668.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.