Home / 740.16-1,110.33-301.68

Finding the Fourth Proportional to 740.16, 1,110.33 and 301.68

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Solution

The fourth proportional to 740.16, 1,110.33 and 301.68 is: 452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.16 : 1,110.33 = 301.68 : x
  2. Step 2: Convert to fraction form
    740.16/1,110.33 = 301.68/x
  3. Step 3: Cross multiply
    740.16x = 1,110.33 × 301.68
  4. Step 4: Simplify right side
    740.16x = 334,964.35
  5. Step 5: Solve for x
    x = 334,964.35/740.16
  6. Step 6: Final answer
    x = 452.56

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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.