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Finding the Fourth Proportional to 353.00, 485.58 and 332.83

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Solution

The fourth proportional to 353.00, 485.58 and 332.83 is: 457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.00 : 485.58 = 332.83 : x
  2. Step 2: Convert to fraction form
    353.00/485.58 = 332.83/x
  3. Step 3: Cross multiply
    353.00x = 485.58 × 332.83
  4. Step 4: Simplify right side
    353.00x = 161,618.34
  5. Step 5: Solve for x
    x = 161,618.34/353.00
  6. Step 6: Final answer
    x = 457.85

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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.