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Finding the Fourth Proportional to 572.99, 792.14 and 567.79

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Solution

The fourth proportional to 572.99, 792.14 and 567.79 is: 784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.99 : 792.14 = 567.79 : x
  2. Step 2: Convert to fraction form
    572.99/792.14 = 567.79/x
  3. Step 3: Cross multiply
    572.99x = 792.14 × 567.79
  4. Step 4: Simplify right side
    572.99x = 449,764.35
  5. Step 5: Solve for x
    x = 449,764.35/572.99
  6. Step 6: Final answer
    x = 784.95

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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.