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Finding the Fourth Proportional to 563.96, 778.48 and 367.52

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Solution

The fourth proportional to 563.96, 778.48 and 367.52 is: 507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.96 : 778.48 = 367.52 : x
  2. Step 2: Convert to fraction form
    563.96/778.48 = 367.52/x
  3. Step 3: Cross multiply
    563.96x = 778.48 × 367.52
  4. Step 4: Simplify right side
    563.96x = 286,106.97
  5. Step 5: Solve for x
    x = 286,106.97/563.96
  6. Step 6: Final answer
    x = 507.32

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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.