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Finding the Fourth Proportional to 629.02, 868.08 and 473.50

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Solution

The fourth proportional to 629.02, 868.08 and 473.50 is: 653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.02 : 868.08 = 473.50 : x
  2. Step 2: Convert to fraction form
    629.02/868.08 = 473.50/x
  3. Step 3: Cross multiply
    629.02x = 868.08 × 473.50
  4. Step 4: Simplify right side
    629.02x = 411,035.88
  5. Step 5: Solve for x
    x = 411,035.88/629.02
  6. Step 6: Final answer
    x = 653.45

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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.