Home / 740.23-1,110.77-301.39

Finding the Fourth Proportional to 740.23, 1,110.77 and 301.39

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Solution

The fourth proportional to 740.23, 1,110.77 and 301.39 is: 452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.23 : 1,110.77 = 301.39 : x
  2. Step 2: Convert to fraction form
    740.23/1,110.77 = 301.39/x
  3. Step 3: Cross multiply
    740.23x = 1,110.77 × 301.39
  4. Step 4: Simplify right side
    740.23x = 334,774.97
  5. Step 5: Solve for x
    x = 334,774.97/740.23
  6. Step 6: Final answer
    x = 452.26

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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.