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Finding the Fourth Proportional to 477.82, 659.83 and 451.93

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Solution

The fourth proportional to 477.82, 659.83 and 451.93 is: 624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.82 : 659.83 = 451.93 : x
  2. Step 2: Convert to fraction form
    477.82/659.83 = 451.93/x
  3. Step 3: Cross multiply
    477.82x = 659.83 × 451.93
  4. Step 4: Simplify right side
    477.82x = 298,198.18
  5. Step 5: Solve for x
    x = 298,198.18/477.82
  6. Step 6: Final answer
    x = 624.08

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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.