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Finding the Fourth Proportional to 632.77, 873.28 and 370.87

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Solution

The fourth proportional to 632.77, 873.28 and 370.87 is: 511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.77 : 873.28 = 370.87 : x
  2. Step 2: Convert to fraction form
    632.77/873.28 = 370.87/x
  3. Step 3: Cross multiply
    632.77x = 873.28 × 370.87
  4. Step 4: Simplify right side
    632.77x = 323,873.35
  5. Step 5: Solve for x
    x = 323,873.35/632.77
  6. Step 6: Final answer
    x = 511.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.