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Finding the Fourth Proportional to 344.58, 474.54 and 343.50

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Solution

The fourth proportional to 344.58, 474.54 and 343.50 is: 473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.58 : 474.54 = 343.50 : x
  2. Step 2: Convert to fraction form
    344.58/474.54 = 343.50/x
  3. Step 3: Cross multiply
    344.58x = 474.54 × 343.50
  4. Step 4: Simplify right side
    344.58x = 163,004.49
  5. Step 5: Solve for x
    x = 163,004.49/344.58
  6. Step 6: Final answer
    x = 473.05

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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.