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Finding the Fourth Proportional to 1,084.94, 1,628.33 and 565.13

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Solution

The fourth proportional to 1,084.94, 1,628.33 and 565.13 is: 848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.94 : 1,628.33 = 565.13 : x
  2. Step 2: Convert to fraction form
    1,084.94/1,628.33 = 565.13/x
  3. Step 3: Cross multiply
    1,084.94x = 1,628.33 × 565.13
  4. Step 4: Simplify right side
    1,084.94x = 920,218.13
  5. Step 5: Solve for x
    x = 920,218.13/1,084.94
  6. Step 6: Final answer
    x = 848.17

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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.