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Finding the Fourth Proportional to 624.60, 937.76 and 350.86

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Solution

The fourth proportional to 624.60, 937.76 and 350.86 is: 526.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.60 : 937.76 = 350.86 : x
  2. Step 2: Convert to fraction form
    624.60/937.76 = 350.86/x
  3. Step 3: Cross multiply
    624.60x = 937.76 × 350.86
  4. Step 4: Simplify right side
    624.60x = 329,022.47
  5. Step 5: Solve for x
    x = 329,022.47/624.60
  6. Step 6: Final answer
    x = 526.77

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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.