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Finding the Fourth Proportional to 952.65, 1,314.72 and 579.56

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Solution

The fourth proportional to 952.65, 1,314.72 and 579.56 is: 799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.65 : 1,314.72 = 579.56 : x
  2. Step 2: Convert to fraction form
    952.65/1,314.72 = 579.56/x
  3. Step 3: Cross multiply
    952.65x = 1,314.72 × 579.56
  4. Step 4: Simplify right side
    952.65x = 761,952.55
  5. Step 5: Solve for x
    x = 761,952.55/952.65
  6. Step 6: Final answer
    x = 799.82

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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.