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Finding the Fourth Proportional to 625.24, 941.59 and 545.08

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Solution

The fourth proportional to 625.24, 941.59 and 545.08 is: 820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.24 : 941.59 = 545.08 : x
  2. Step 2: Convert to fraction form
    625.24/941.59 = 545.08/x
  3. Step 3: Cross multiply
    625.24x = 941.59 × 545.08
  4. Step 4: Simplify right side
    625.24x = 513,241.88
  5. Step 5: Solve for x
    x = 513,241.88/625.24
  6. Step 6: Final answer
    x = 820.87

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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.