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Finding the Fourth Proportional to 576.89, 795.98 and 380.06

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Solution

The fourth proportional to 576.89, 795.98 and 380.06 is: 524.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.89 : 795.98 = 380.06 : x
  2. Step 2: Convert to fraction form
    576.89/795.98 = 380.06/x
  3. Step 3: Cross multiply
    576.89x = 795.98 × 380.06
  4. Step 4: Simplify right side
    576.89x = 302,514.28
  5. Step 5: Solve for x
    x = 302,514.28/576.89
  6. Step 6: Final answer
    x = 524.39

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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.