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Finding the Fourth Proportional to 893.95, 1,341.03 and 277.54

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Solution

The fourth proportional to 893.95, 1,341.03 and 277.54 is: 416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    893.95 : 1,341.03 = 277.54 : x
  2. Step 2: Convert to fraction form
    893.95/1,341.03 = 277.54/x
  3. Step 3: Cross multiply
    893.95x = 1,341.03 × 277.54
  4. Step 4: Simplify right side
    893.95x = 372,189.47
  5. Step 5: Solve for x
    x = 372,189.47/893.95
  6. Step 6: Final answer
    x = 416.34

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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.