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Finding the Fourth Proportional to 332.33, 498.16 and 158.70

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Solution

The fourth proportional to 332.33, 498.16 and 158.70 is: 237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.33 : 498.16 = 158.70 : x
  2. Step 2: Convert to fraction form
    332.33/498.16 = 158.70/x
  3. Step 3: Cross multiply
    332.33x = 498.16 × 158.70
  4. Step 4: Simplify right side
    332.33x = 79,057.60
  5. Step 5: Solve for x
    x = 79,057.60/332.33
  6. Step 6: Final answer
    x = 237.89

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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.