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Finding the Fourth Proportional to 536.82, 740.94 and 340.56

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Solution

The fourth proportional to 536.82, 740.94 and 340.56 is: 470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.82 : 740.94 = 340.56 : x
  2. Step 2: Convert to fraction form
    536.82/740.94 = 340.56/x
  3. Step 3: Cross multiply
    536.82x = 740.94 × 340.56
  4. Step 4: Simplify right side
    536.82x = 252,334.53
  5. Step 5: Solve for x
    x = 252,334.53/536.82
  6. Step 6: Final answer
    x = 470.05

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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.