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Finding the Fourth Proportional to 1,364.21, 2,046.10 and 498.32

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Solution

The fourth proportional to 1,364.21, 2,046.10 and 498.32 is: 747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.21 : 2,046.10 = 498.32 : x
  2. Step 2: Convert to fraction form
    1,364.21/2,046.10 = 498.32/x
  3. Step 3: Cross multiply
    1,364.21x = 2,046.10 × 498.32
  4. Step 4: Simplify right side
    1,364.21x = 1,019,602.32
  5. Step 5: Solve for x
    x = 1,019,602.32/1,364.21
  6. Step 6: Final answer
    x = 747.40

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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.