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Finding the Fourth Proportional to 613.01, 924.11 and 572.28

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Solution

The fourth proportional to 613.01, 924.11 and 572.28 is: 862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.01 : 924.11 = 572.28 : x
  2. Step 2: Convert to fraction form
    613.01/924.11 = 572.28/x
  3. Step 3: Cross multiply
    613.01x = 924.11 × 572.28
  4. Step 4: Simplify right side
    613.01x = 528,849.67
  5. Step 5: Solve for x
    x = 528,849.67/613.01
  6. Step 6: Final answer
    x = 862.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.