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Finding the Fourth Proportional to 750.58, 1,034.68 and 573.58

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Solution

The fourth proportional to 750.58, 1,034.68 and 573.58 is: 790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.58 : 1,034.68 = 573.58 : x
  2. Step 2: Convert to fraction form
    750.58/1,034.68 = 573.58/x
  3. Step 3: Cross multiply
    750.58x = 1,034.68 × 573.58
  4. Step 4: Simplify right side
    750.58x = 593,471.75
  5. Step 5: Solve for x
    x = 593,471.75/750.58
  6. Step 6: Final answer
    x = 790.68

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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.