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Finding the Fourth Proportional to 303.54, 453.34 and 262.50

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Solution

The fourth proportional to 303.54, 453.34 and 262.50 is: 392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.54 : 453.34 = 262.50 : x
  2. Step 2: Convert to fraction form
    303.54/453.34 = 262.50/x
  3. Step 3: Cross multiply
    303.54x = 453.34 × 262.50
  4. Step 4: Simplify right side
    303.54x = 119,001.75
  5. Step 5: Solve for x
    x = 119,001.75/303.54
  6. Step 6: Final answer
    x = 392.05

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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.