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Finding the Fourth Proportional to 488.19, 732.42 and 332.67

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Solution

The fourth proportional to 488.19, 732.42 and 332.67 is: 499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.19 : 732.42 = 332.67 : x
  2. Step 2: Convert to fraction form
    488.19/732.42 = 332.67/x
  3. Step 3: Cross multiply
    488.19x = 732.42 × 332.67
  4. Step 4: Simplify right side
    488.19x = 243,654.16
  5. Step 5: Solve for x
    x = 243,654.16/488.19
  6. Step 6: Final answer
    x = 499.10

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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.