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Finding the Fourth Proportional to 882.48, 1,323.69 and 233.22

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Solution

The fourth proportional to 882.48, 1,323.69 and 233.22 is: 349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.48 : 1,323.69 = 233.22 : x
  2. Step 2: Convert to fraction form
    882.48/1,323.69 = 233.22/x
  3. Step 3: Cross multiply
    882.48x = 1,323.69 × 233.22
  4. Step 4: Simplify right side
    882.48x = 308,710.98
  5. Step 5: Solve for x
    x = 308,710.98/882.48
  6. Step 6: Final answer
    x = 349.82

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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.