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Finding the Fourth Proportional to 492.14, 738.66 and 248.83

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Solution

The fourth proportional to 492.14, 738.66 and 248.83 is: 373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    492.14 : 738.66 = 248.83 : x
  2. Step 2: Convert to fraction form
    492.14/738.66 = 248.83/x
  3. Step 3: Cross multiply
    492.14x = 738.66 × 248.83
  4. Step 4: Simplify right side
    492.14x = 183,799.52
  5. Step 5: Solve for x
    x = 183,799.52/492.14
  6. Step 6: Final answer
    x = 373.47

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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.