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Finding the Fourth Proportional to 882.53, 1,323.86 and 233.25

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Solution

The fourth proportional to 882.53, 1,323.86 and 233.25 is: 349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.53 : 1,323.86 = 233.25 : x
  2. Step 2: Convert to fraction form
    882.53/1,323.86 = 233.25/x
  3. Step 3: Cross multiply
    882.53x = 1,323.86 × 233.25
  4. Step 4: Simplify right side
    882.53x = 308,789.18
  5. Step 5: Solve for x
    x = 308,789.18/882.53
  6. Step 6: Final answer
    x = 349.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.