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Finding the Fourth Proportional to 650.71, 967.70 and 630.20

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Solution

The fourth proportional to 650.71, 967.70 and 630.20 is: 937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.71 : 967.70 = 630.20 : x
  2. Step 2: Convert to fraction form
    650.71/967.70 = 630.20/x
  3. Step 3: Cross multiply
    650.71x = 967.70 × 630.20
  4. Step 4: Simplify right side
    650.71x = 609,848.53
  5. Step 5: Solve for x
    x = 609,848.53/650.71
  6. Step 6: Final answer
    x = 937.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.