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Finding the Fourth Proportional to 585.18, 807.48 and 349.14

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Solution

The fourth proportional to 585.18, 807.48 and 349.14 is: 481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.18 : 807.48 = 349.14 : x
  2. Step 2: Convert to fraction form
    585.18/807.48 = 349.14/x
  3. Step 3: Cross multiply
    585.18x = 807.48 × 349.14
  4. Step 4: Simplify right side
    585.18x = 281,919.80
  5. Step 5: Solve for x
    x = 281,919.80/585.18
  6. Step 6: Final answer
    x = 481.77

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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.