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Finding the Fourth Proportional to 575.82, 794.66 and 342.95

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Solution

The fourth proportional to 575.82, 794.66 and 342.95 is: 473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.82 : 794.66 = 342.95 : x
  2. Step 2: Convert to fraction form
    575.82/794.66 = 342.95/x
  3. Step 3: Cross multiply
    575.82x = 794.66 × 342.95
  4. Step 4: Simplify right side
    575.82x = 272,522.96
  5. Step 5: Solve for x
    x = 272,522.96/575.82
  6. Step 6: Final answer
    x = 473.28

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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.