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Finding the Fourth Proportional to 736.50, 1,104 and 325.53

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Solution

The fourth proportional to 736.50, 1,104 and 325.53 is: 487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    736.50 : 1,104 = 325.53 : x
  2. Step 2: Convert to fraction form
    736.50/1,104 = 325.53/x
  3. Step 3: Cross multiply
    736.50x = 1,104 × 325.53
  4. Step 4: Simplify right side
    736.50x = 359,385.12
  5. Step 5: Solve for x
    x = 359,385.12/736.50
  6. Step 6: Final answer
    x = 487.96

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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.