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Finding the Fourth Proportional to 419.62, 579.03 and 244.93

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Solution

The fourth proportional to 419.62, 579.03 and 244.93 is: 337.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    419.62 : 579.03 = 244.93 : x
  2. Step 2: Convert to fraction form
    419.62/579.03 = 244.93/x
  3. Step 3: Cross multiply
    419.62x = 579.03 × 244.93
  4. Step 4: Simplify right side
    419.62x = 141,821.82
  5. Step 5: Solve for x
    x = 141,821.82/419.62
  6. Step 6: Final answer
    x = 337.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.