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Finding the Fourth Proportional to 500.92, 751.74 and 446.92

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Solution

The fourth proportional to 500.92, 751.74 and 446.92 is: 670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.92 : 751.74 = 446.92 : x
  2. Step 2: Convert to fraction form
    500.92/751.74 = 446.92/x
  3. Step 3: Cross multiply
    500.92x = 751.74 × 446.92
  4. Step 4: Simplify right side
    500.92x = 335,967.64
  5. Step 5: Solve for x
    x = 335,967.64/500.92
  6. Step 6: Final answer
    x = 670.70

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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.