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Finding the Fourth Proportional to 575.81, 794.71 and 343.07

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Solution

The fourth proportional to 575.81, 794.71 and 343.07 is: 473.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.81 : 794.71 = 343.07 : x
  2. Step 2: Convert to fraction form
    575.81/794.71 = 343.07/x
  3. Step 3: Cross multiply
    575.81x = 794.71 × 343.07
  4. Step 4: Simplify right side
    575.81x = 272,643.58
  5. Step 5: Solve for x
    x = 272,643.58/575.81
  6. Step 6: Final answer
    x = 473.49

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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.