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Finding the Fourth Proportional to 624.63, 937.52 and 316.70

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Solution

The fourth proportional to 624.63, 937.52 and 316.70 is: 475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.63 : 937.52 = 316.70 : x
  2. Step 2: Convert to fraction form
    624.63/937.52 = 316.70/x
  3. Step 3: Cross multiply
    624.63x = 937.52 × 316.70
  4. Step 4: Simplify right side
    624.63x = 296,913.38
  5. Step 5: Solve for x
    x = 296,913.38/624.63
  6. Step 6: Final answer
    x = 475.34

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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.