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Finding the Fourth Proportional to 632.70, 886.50 and 632.70

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Solution

The fourth proportional to 632.70, 886.50 and 632.70 is: 886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.70 : 886.50 = 632.70 : x
  2. Step 2: Convert to fraction form
    632.70/886.50 = 632.70/x
  3. Step 3: Cross multiply
    632.70x = 886.50 × 632.70
  4. Step 4: Simplify right side
    632.70x = 560,888.55
  5. Step 5: Solve for x
    x = 560,888.55/632.70
  6. Step 6: Final answer
    x = 886.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.