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Finding the Fourth Proportional to 882.12, 1,323.18 and 334.38

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Solution

The fourth proportional to 882.12, 1,323.18 and 334.38 is: 501.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.12 : 1,323.18 = 334.38 : x
  2. Step 2: Convert to fraction form
    882.12/1,323.18 = 334.38/x
  3. Step 3: Cross multiply
    882.12x = 1,323.18 × 334.38
  4. Step 4: Simplify right side
    882.12x = 442,444.93
  5. Step 5: Solve for x
    x = 442,444.93/882.12
  6. Step 6: Final answer
    x = 501.57

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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.