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Finding the Fourth Proportional to 498.94, 747.90 and 336.24

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Solution

The fourth proportional to 498.94, 747.90 and 336.24 is: 504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.94 : 747.90 = 336.24 : x
  2. Step 2: Convert to fraction form
    498.94/747.90 = 336.24/x
  3. Step 3: Cross multiply
    498.94x = 747.90 × 336.24
  4. Step 4: Simplify right side
    498.94x = 251,473.90
  5. Step 5: Solve for x
    x = 251,473.90/498.94
  6. Step 6: Final answer
    x = 504.02

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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.