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Finding the Fourth Proportional to 796.24, 1,098.81 and 464.77

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Solution

The fourth proportional to 796.24, 1,098.81 and 464.77 is: 641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.24 : 1,098.81 = 464.77 : x
  2. Step 2: Convert to fraction form
    796.24/1,098.81 = 464.77/x
  3. Step 3: Cross multiply
    796.24x = 1,098.81 × 464.77
  4. Step 4: Simplify right side
    796.24x = 510,693.92
  5. Step 5: Solve for x
    x = 510,693.92/796.24
  6. Step 6: Final answer
    x = 641.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.