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Finding the Fourth Proportional to 277.83, 414.18 and 247.05

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Solution

The fourth proportional to 277.83, 414.18 and 247.05 is: 368.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.83 : 414.18 = 247.05 : x
  2. Step 2: Convert to fraction form
    277.83/414.18 = 247.05/x
  3. Step 3: Cross multiply
    277.83x = 414.18 × 247.05
  4. Step 4: Simplify right side
    277.83x = 102,323.17
  5. Step 5: Solve for x
    x = 102,323.17/277.83
  6. Step 6: Final answer
    x = 368.29

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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.