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Finding the Fourth Proportional to 750.34, 1,034.93 and 650.58

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Solution

The fourth proportional to 750.34, 1,034.93 and 650.58 is: 897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.34 : 1,034.93 = 650.58 : x
  2. Step 2: Convert to fraction form
    750.34/1,034.93 = 650.58/x
  3. Step 3: Cross multiply
    750.34x = 1,034.93 × 650.58
  4. Step 4: Simplify right side
    750.34x = 673,297.96
  5. Step 5: Solve for x
    x = 673,297.96/750.34
  6. Step 6: Final answer
    x = 897.33

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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.