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Finding the Fourth Proportional to 910.54, 1,363.49 and 601.46

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Solution

The fourth proportional to 910.54, 1,363.49 and 601.46 is: 900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    910.54 : 1,363.49 = 601.46 : x
  2. Step 2: Convert to fraction form
    910.54/1,363.49 = 601.46/x
  3. Step 3: Cross multiply
    910.54x = 1,363.49 × 601.46
  4. Step 4: Simplify right side
    910.54x = 820,084.70
  5. Step 5: Solve for x
    x = 820,084.70/910.54
  6. Step 6: Final answer
    x = 900.66

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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.