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Finding the Fourth Proportional to 652.70, 973.24 and 629.01

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Solution

The fourth proportional to 652.70, 973.24 and 629.01 is: 937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.70 : 973.24 = 629.01 : x
  2. Step 2: Convert to fraction form
    652.70/973.24 = 629.01/x
  3. Step 3: Cross multiply
    652.70x = 973.24 × 629.01
  4. Step 4: Simplify right side
    652.70x = 612,176.12
  5. Step 5: Solve for x
    x = 612,176.12/652.70
  6. Step 6: Final answer
    x = 937.91

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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.