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Finding the Fourth Proportional to 622.58, 934.11 and 348.98

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Solution

The fourth proportional to 622.58, 934.11 and 348.98 is: 523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.58 : 934.11 = 348.98 : x
  2. Step 2: Convert to fraction form
    622.58/934.11 = 348.98/x
  3. Step 3: Cross multiply
    622.58x = 934.11 × 348.98
  4. Step 4: Simplify right side
    622.58x = 325,985.71
  5. Step 5: Solve for x
    x = 325,985.71/622.58
  6. Step 6: Final answer
    x = 523.60

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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.