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Finding the Fourth Proportional to 652.87, 980.52 and 626.77

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Solution

The fourth proportional to 652.87, 980.52 and 626.77 is: 941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.87 : 980.52 = 626.77 : x
  2. Step 2: Convert to fraction form
    652.87/980.52 = 626.77/x
  3. Step 3: Cross multiply
    652.87x = 980.52 × 626.77
  4. Step 4: Simplify right side
    652.87x = 614,560.52
  5. Step 5: Solve for x
    x = 614,560.52/652.87
  6. Step 6: Final answer
    x = 941.32

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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.