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Finding the Fourth Proportional to 610.33, 842.64 and 463.62

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Solution

The fourth proportional to 610.33, 842.64 and 463.62 is: 640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.33 : 842.64 = 463.62 : x
  2. Step 2: Convert to fraction form
    610.33/842.64 = 463.62/x
  3. Step 3: Cross multiply
    610.33x = 842.64 × 463.62
  4. Step 4: Simplify right side
    610.33x = 390,662.44
  5. Step 5: Solve for x
    x = 390,662.44/610.33
  6. Step 6: Final answer
    x = 640.08

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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.