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Finding the Fourth Proportional to 344.95, 473.21 and 334.54

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Solution

The fourth proportional to 344.95, 473.21 and 334.54 is: 458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.95 : 473.21 = 334.54 : x
  2. Step 2: Convert to fraction form
    344.95/473.21 = 334.54/x
  3. Step 3: Cross multiply
    344.95x = 473.21 × 334.54
  4. Step 4: Simplify right side
    344.95x = 158,307.67
  5. Step 5: Solve for x
    x = 158,307.67/344.95
  6. Step 6: Final answer
    x = 458.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.