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Finding the Fourth Proportional to 1,364.14, 2,046.48 and 498.52

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Solution

The fourth proportional to 1,364.14, 2,046.48 and 498.52 is: 747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.14 : 2,046.48 = 498.52 : x
  2. Step 2: Convert to fraction form
    1,364.14/2,046.48 = 498.52/x
  3. Step 3: Cross multiply
    1,364.14x = 2,046.48 × 498.52
  4. Step 4: Simplify right side
    1,364.14x = 1,020,211.21
  5. Step 5: Solve for x
    x = 1,020,211.21/1,364.14
  6. Step 6: Final answer
    x = 747.88

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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.