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Finding the Fourth Proportional to 576.51, 794.82 and 568.77

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Solution

The fourth proportional to 576.51, 794.82 and 568.77 is: 784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.51 : 794.82 = 568.77 : x
  2. Step 2: Convert to fraction form
    576.51/794.82 = 568.77/x
  3. Step 3: Cross multiply
    576.51x = 794.82 × 568.77
  4. Step 4: Simplify right side
    576.51x = 452,069.77
  5. Step 5: Solve for x
    x = 452,069.77/576.51
  6. Step 6: Final answer
    x = 784.15

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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.