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Finding the Fourth Proportional to 572.92, 790.98 and 363.32

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Solution

The fourth proportional to 572.92, 790.98 and 363.32 is: 501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.92 : 790.98 = 363.32 : x
  2. Step 2: Convert to fraction form
    572.92/790.98 = 363.32/x
  3. Step 3: Cross multiply
    572.92x = 790.98 × 363.32
  4. Step 4: Simplify right side
    572.92x = 287,378.85
  5. Step 5: Solve for x
    x = 287,378.85/572.92
  6. Step 6: Final answer
    x = 501.60

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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.