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Finding the Fourth Proportional to 332.70, 498.33 and 288.27

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Solution

The fourth proportional to 332.70, 498.33 and 288.27 is: 431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.70 : 498.33 = 288.27 : x
  2. Step 2: Convert to fraction form
    332.70/498.33 = 288.27/x
  3. Step 3: Cross multiply
    332.70x = 498.33 × 288.27
  4. Step 4: Simplify right side
    332.70x = 143,653.59
  5. Step 5: Solve for x
    x = 143,653.59/332.70
  6. Step 6: Final answer
    x = 431.78

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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.