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Finding the Fourth Proportional to 951.19, 1,312.82 and 537.19

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Solution

The fourth proportional to 951.19, 1,312.82 and 537.19 is: 741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.19 : 1,312.82 = 537.19 : x
  2. Step 2: Convert to fraction form
    951.19/1,312.82 = 537.19/x
  3. Step 3: Cross multiply
    951.19x = 1,312.82 × 537.19
  4. Step 4: Simplify right side
    951.19x = 705,229.82
  5. Step 5: Solve for x
    x = 705,229.82/951.19
  6. Step 6: Final answer
    x = 741.42

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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.