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Finding the Fourth Proportional to 492.41, 675.12 and 483.63

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Solution

The fourth proportional to 492.41, 675.12 and 483.63 is: 663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.41 : 675.12 = 483.63 : x
  2. Step 2: Convert to fraction form
    492.41/675.12 = 483.63/x
  3. Step 3: Cross multiply
    492.41x = 675.12 × 483.63
  4. Step 4: Simplify right side
    492.41x = 326,508.29
  5. Step 5: Solve for x
    x = 326,508.29/492.41
  6. Step 6: Final answer
    x = 663.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.