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Finding the Fourth Proportional to 337.98, 507.74 and 324.14

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Solution

The fourth proportional to 337.98, 507.74 and 324.14 is: 486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.98 : 507.74 = 324.14 : x
  2. Step 2: Convert to fraction form
    337.98/507.74 = 324.14/x
  3. Step 3: Cross multiply
    337.98x = 507.74 × 324.14
  4. Step 4: Simplify right side
    337.98x = 164,574.68
  5. Step 5: Solve for x
    x = 164,574.68/337.98
  6. Step 6: Final answer
    x = 486.94

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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.