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Finding the Fourth Proportional to 834.91, 1,152.19 and 461.89

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Solution

The fourth proportional to 834.91, 1,152.19 and 461.89 is: 637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    834.91 : 1,152.19 = 461.89 : x
  2. Step 2: Convert to fraction form
    834.91/1,152.19 = 461.89/x
  3. Step 3: Cross multiply
    834.91x = 1,152.19 × 461.89
  4. Step 4: Simplify right side
    834.91x = 532,185.04
  5. Step 5: Solve for x
    x = 532,185.04/834.91
  6. Step 6: Final answer
    x = 637.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.