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Finding the Fourth Proportional to 610.44, 841.42 and 477.42

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Solution

The fourth proportional to 610.44, 841.42 and 477.42 is: 658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.44 : 841.42 = 477.42 : x
  2. Step 2: Convert to fraction form
    610.44/841.42 = 477.42/x
  3. Step 3: Cross multiply
    610.44x = 841.42 × 477.42
  4. Step 4: Simplify right side
    610.44x = 401,708.35
  5. Step 5: Solve for x
    x = 401,708.35/610.44
  6. Step 6: Final answer
    x = 658.07

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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.