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Finding the Fourth Proportional to 951.51, 1,425.19 and 585.19

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Solution

The fourth proportional to 951.51, 1,425.19 and 585.19 is: 876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.51 : 1,425.19 = 585.19 : x
  2. Step 2: Convert to fraction form
    951.51/1,425.19 = 585.19/x
  3. Step 3: Cross multiply
    951.51x = 1,425.19 × 585.19
  4. Step 4: Simplify right side
    951.51x = 834,006.94
  5. Step 5: Solve for x
    x = 834,006.94/951.51
  6. Step 6: Final answer
    x = 876.51

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Double scale
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1.5x scale

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.