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Finding the Fourth Proportional to 498.32, 746.12 and 344.06

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Solution

The fourth proportional to 498.32, 746.12 and 344.06 is: 515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.32 : 746.12 = 344.06 : x
  2. Step 2: Convert to fraction form
    498.32/746.12 = 344.06/x
  3. Step 3: Cross multiply
    498.32x = 746.12 × 344.06
  4. Step 4: Simplify right side
    498.32x = 256,707.18
  5. Step 5: Solve for x
    x = 256,707.18/498.32
  6. Step 6: Final answer
    x = 515.15

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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.