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Finding the Fourth Proportional to 652.73, 979.10 and 262.91

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Solution

The fourth proportional to 652.73, 979.10 and 262.91 is: 394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.73 : 979.10 = 262.91 : x
  2. Step 2: Convert to fraction form
    652.73/979.10 = 262.91/x
  3. Step 3: Cross multiply
    652.73x = 979.10 × 262.91
  4. Step 4: Simplify right side
    652.73x = 257,415.18
  5. Step 5: Solve for x
    x = 257,415.18/652.73
  6. Step 6: Final answer
    x = 394.37

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Similar ratio
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1.5x scale

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.