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Finding the Fourth Proportional to 338.79, 504.79 and 302.41

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Solution

The fourth proportional to 338.79, 504.79 and 302.41 is: 450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.79 : 504.79 = 302.41 : x
  2. Step 2: Convert to fraction form
    338.79/504.79 = 302.41/x
  3. Step 3: Cross multiply
    338.79x = 504.79 × 302.41
  4. Step 4: Simplify right side
    338.79x = 152,651.53
  5. Step 5: Solve for x
    x = 152,651.53/338.79
  6. Step 6: Final answer
    x = 450.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.