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Finding the Fourth Proportional to 651.03, 975.93 and 631.41

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Solution

The fourth proportional to 651.03, 975.93 and 631.41 is: 946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.03 : 975.93 = 631.41 : x
  2. Step 2: Convert to fraction form
    651.03/975.93 = 631.41/x
  3. Step 3: Cross multiply
    651.03x = 975.93 × 631.41
  4. Step 4: Simplify right side
    651.03x = 616,211.96
  5. Step 5: Solve for x
    x = 616,211.96/651.03
  6. Step 6: Final answer
    x = 946.52

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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.