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Finding the Fourth Proportional to 332.40, 481.50 and 332.40

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Solution

The fourth proportional to 332.40, 481.50 and 332.40 is: 481.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.40 : 481.50 = 332.40 : x
  2. Step 2: Convert to fraction form
    332.40/481.50 = 332.40/x
  3. Step 3: Cross multiply
    332.40x = 481.50 × 332.40
  4. Step 4: Simplify right side
    332.40x = 160,050.60
  5. Step 5: Solve for x
    x = 160,050.60/332.40
  6. Step 6: Final answer
    x = 481.50

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.