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Finding the Fourth Proportional to 367.25, 507 and 282.54

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Solution

The fourth proportional to 367.25, 507 and 282.54 is: 390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.25 : 507 = 282.54 : x
  2. Step 2: Convert to fraction form
    367.25/507 = 282.54/x
  3. Step 3: Cross multiply
    367.25x = 507 × 282.54
  4. Step 4: Simplify right side
    367.25x = 143,247.78
  5. Step 5: Solve for x
    x = 143,247.78/367.25
  6. Step 6: Final answer
    x = 390.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.