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Finding the Fourth Proportional to 336.12, 501.54 and 301.50

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Solution

The fourth proportional to 336.12, 501.54 and 301.50 is: 449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.12 : 501.54 = 301.50 : x
  2. Step 2: Convert to fraction form
    336.12/501.54 = 301.50/x
  3. Step 3: Cross multiply
    336.12x = 501.54 × 301.50
  4. Step 4: Simplify right side
    336.12x = 151,214.31
  5. Step 5: Solve for x
    x = 151,214.31/336.12
  6. Step 6: Final answer
    x = 449.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.