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Finding the Fourth Proportional to 595.72, 820.88 and 506.92

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Solution

The fourth proportional to 595.72, 820.88 and 506.92 is: 698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.72 : 820.88 = 506.92 : x
  2. Step 2: Convert to fraction form
    595.72/820.88 = 506.92/x
  3. Step 3: Cross multiply
    595.72x = 820.88 × 506.92
  4. Step 4: Simplify right side
    595.72x = 416,120.49
  5. Step 5: Solve for x
    x = 416,120.49/595.72
  6. Step 6: Final answer
    x = 698.52

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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.