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Finding the Fourth Proportional to 632.53, 873.08 and 423.01

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Solution

The fourth proportional to 632.53, 873.08 and 423.01 is: 583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.53 : 873.08 = 423.01 : x
  2. Step 2: Convert to fraction form
    632.53/873.08 = 423.01/x
  3. Step 3: Cross multiply
    632.53x = 873.08 × 423.01
  4. Step 4: Simplify right side
    632.53x = 369,321.57
  5. Step 5: Solve for x
    x = 369,321.57/632.53
  6. Step 6: Final answer
    x = 583.88

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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.