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Finding the Fourth Proportional to 576.28, 795.26 and 314.28

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Solution

The fourth proportional to 576.28, 795.26 and 314.28 is: 433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.28 : 795.26 = 314.28 : x
  2. Step 2: Convert to fraction form
    576.28/795.26 = 314.28/x
  3. Step 3: Cross multiply
    576.28x = 795.26 × 314.28
  4. Step 4: Simplify right side
    576.28x = 249,934.31
  5. Step 5: Solve for x
    x = 249,934.31/576.28
  6. Step 6: Final answer
    x = 433.70

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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.