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Finding the Fourth Proportional to 882.34, 1,322.35 and 492.32

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Solution

The fourth proportional to 882.34, 1,322.35 and 492.32 is: 737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.34 : 1,322.35 = 492.32 : x
  2. Step 2: Convert to fraction form
    882.34/1,322.35 = 492.32/x
  3. Step 3: Cross multiply
    882.34x = 1,322.35 × 492.32
  4. Step 4: Simplify right side
    882.34x = 651,019.35
  5. Step 5: Solve for x
    x = 651,019.35/882.34
  6. Step 6: Final answer
    x = 737.83

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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.