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Finding the Fourth Proportional to 1,133.19, 1,700.49 and 483.92

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Solution

The fourth proportional to 1,133.19, 1,700.49 and 483.92 is: 726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.19 : 1,700.49 = 483.92 : x
  2. Step 2: Convert to fraction form
    1,133.19/1,700.49 = 483.92/x
  3. Step 3: Cross multiply
    1,133.19x = 1,700.49 × 483.92
  4. Step 4: Simplify right side
    1,133.19x = 822,892.62
  5. Step 5: Solve for x
    x = 822,892.62/1,133.19
  6. Step 6: Final answer
    x = 726.17

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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.