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Finding the Fourth Proportional to 644.51, 967.22 and 462.06

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Solution

The fourth proportional to 644.51, 967.22 and 462.06 is: 693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    644.51 : 967.22 = 462.06 : x
  2. Step 2: Convert to fraction form
    644.51/967.22 = 462.06/x
  3. Step 3: Cross multiply
    644.51x = 967.22 × 462.06
  4. Step 4: Simplify right side
    644.51x = 446,913.67
  5. Step 5: Solve for x
    x = 446,913.67/644.51
  6. Step 6: Final answer
    x = 693.42

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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.