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Finding the Fourth Proportional to 590.92, 886.24 and 385.59

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Solution

The fourth proportional to 590.92, 886.24 and 385.59 is: 578.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.92 : 886.24 = 385.59 : x
  2. Step 2: Convert to fraction form
    590.92/886.24 = 385.59/x
  3. Step 3: Cross multiply
    590.92x = 886.24 × 385.59
  4. Step 4: Simplify right side
    590.92x = 341,725.28
  5. Step 5: Solve for x
    x = 341,725.28/590.92
  6. Step 6: Final answer
    x = 578.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.