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Finding the Fourth Proportional to 650.74, 976.52 and 342.82

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Solution

The fourth proportional to 650.74, 976.52 and 342.82 is: 514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.74 : 976.52 = 342.82 : x
  2. Step 2: Convert to fraction form
    650.74/976.52 = 342.82/x
  3. Step 3: Cross multiply
    650.74x = 976.52 × 342.82
  4. Step 4: Simplify right side
    650.74x = 334,767.17
  5. Step 5: Solve for x
    x = 334,767.17/650.74
  6. Step 6: Final answer
    x = 514.44

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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.