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Finding the Fourth Proportional to 575.98, 795 and 355.11

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Solution

The fourth proportional to 575.98, 795 and 355.11 is: 490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.98 : 795 = 355.11 : x
  2. Step 2: Convert to fraction form
    575.98/795 = 355.11/x
  3. Step 3: Cross multiply
    575.98x = 795 × 355.11
  4. Step 4: Simplify right side
    575.98x = 282,312.45
  5. Step 5: Solve for x
    x = 282,312.45/575.98
  6. Step 6: Final answer
    x = 490.14

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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.