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Finding the Fourth Proportional to 616.87, 925.53 and 370.23

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Solution

The fourth proportional to 616.87, 925.53 and 370.23 is: 555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.87 : 925.53 = 370.23 : x
  2. Step 2: Convert to fraction form
    616.87/925.53 = 370.23/x
  3. Step 3: Cross multiply
    616.87x = 925.53 × 370.23
  4. Step 4: Simplify right side
    616.87x = 342,658.97
  5. Step 5: Solve for x
    x = 342,658.97/616.87
  6. Step 6: Final answer
    x = 555.48

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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.