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Finding the Fourth Proportional to 632.41, 948.08 and 437.45

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Solution

The fourth proportional to 632.41, 948.08 and 437.45 is: 655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    632.41 : 948.08 = 437.45 : x
  2. Step 2: Convert to fraction form
    632.41/948.08 = 437.45/x
  3. Step 3: Cross multiply
    632.41x = 948.08 × 437.45
  4. Step 4: Simplify right side
    632.41x = 414,733.95
  5. Step 5: Solve for x
    x = 414,733.95/632.41
  6. Step 6: Final answer
    x = 655.80

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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.