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Finding the Fourth Proportional to 740.22, 1,110.33 and 567.42

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Solution

The fourth proportional to 740.22, 1,110.33 and 567.42 is: 851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.22 : 1,110.33 = 567.42 : x
  2. Step 2: Convert to fraction form
    740.22/1,110.33 = 567.42/x
  3. Step 3: Cross multiply
    740.22x = 1,110.33 × 567.42
  4. Step 4: Simplify right side
    740.22x = 630,023.45
  5. Step 5: Solve for x
    x = 630,023.45/740.22
  6. Step 6: Final answer
    x = 851.13

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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.