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Finding the Fourth Proportional to 501.08, 752.12 and 443.67

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Solution

The fourth proportional to 501.08, 752.12 and 443.67 is: 665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.08 : 752.12 = 443.67 : x
  2. Step 2: Convert to fraction form
    501.08/752.12 = 443.67/x
  3. Step 3: Cross multiply
    501.08x = 752.12 × 443.67
  4. Step 4: Simplify right side
    501.08x = 333,689.71
  5. Step 5: Solve for x
    x = 333,689.71/501.08
  6. Step 6: Final answer
    x = 665.95

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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.