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Finding the Fourth Proportional to 1,119.30, 1,677.54 and 533.82

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Solution

The fourth proportional to 1,119.30, 1,677.54 and 533.82 is: 800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119.30 : 1,677.54 = 533.82 : x
  2. Step 2: Convert to fraction form
    1,119.30/1,677.54 = 533.82/x
  3. Step 3: Cross multiply
    1,119.30x = 1,677.54 × 533.82
  4. Step 4: Simplify right side
    1,119.30x = 895,504.40
  5. Step 5: Solve for x
    x = 895,504.40/1,119.30
  6. Step 6: Final answer
    x = 800.06

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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.