Home / 749.03-1,122.89-358.83

Finding the Fourth Proportional to 749.03, 1,122.89 and 358.83

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Solution

The fourth proportional to 749.03, 1,122.89 and 358.83 is: 537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    749.03 : 1,122.89 = 358.83 : x
  2. Step 2: Convert to fraction form
    749.03/1,122.89 = 358.83/x
  3. Step 3: Cross multiply
    749.03x = 1,122.89 × 358.83
  4. Step 4: Simplify right side
    749.03x = 402,924.82
  5. Step 5: Solve for x
    x = 402,924.82/749.03
  6. Step 6: Final answer
    x = 537.93

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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.