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Finding the Fourth Proportional to 795.40, 1,096.76 and 651.23

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Solution

The fourth proportional to 795.40, 1,096.76 and 651.23 is: 897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.40 : 1,096.76 = 651.23 : x
  2. Step 2: Convert to fraction form
    795.40/1,096.76 = 651.23/x
  3. Step 3: Cross multiply
    795.40x = 1,096.76 × 651.23
  4. Step 4: Simplify right side
    795.40x = 714,239.16
  5. Step 5: Solve for x
    x = 714,239.16/795.40
  6. Step 6: Final answer
    x = 897.97

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Double scale
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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.