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Finding the Fourth Proportional to 488.34, 732.28 and 180.11

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Solution

The fourth proportional to 488.34, 732.28 and 180.11 is: 270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    488.34 : 732.28 = 180.11 : x
  2. Step 2: Convert to fraction form
    488.34/732.28 = 180.11/x
  3. Step 3: Cross multiply
    488.34x = 732.28 × 180.11
  4. Step 4: Simplify right side
    488.34x = 131,890.95
  5. Step 5: Solve for x
    x = 131,890.95/488.34
  6. Step 6: Final answer
    x = 270.08

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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.