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Finding the Fourth Proportional to 949.24, 1,310.01 and 576.23

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Solution

The fourth proportional to 949.24, 1,310.01 and 576.23 is: 795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.24 : 1,310.01 = 576.23 : x
  2. Step 2: Convert to fraction form
    949.24/1,310.01 = 576.23/x
  3. Step 3: Cross multiply
    949.24x = 1,310.01 × 576.23
  4. Step 4: Simplify right side
    949.24x = 754,867.06
  5. Step 5: Solve for x
    x = 754,867.06/949.24
  6. Step 6: Final answer
    x = 795.23

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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.