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Finding the Fourth Proportional to 624.26, 937.25 and 316.32

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Solution

The fourth proportional to 624.26, 937.25 and 316.32 is: 474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.26 : 937.25 = 316.32 : x
  2. Step 2: Convert to fraction form
    624.26/937.25 = 316.32/x
  3. Step 3: Cross multiply
    624.26x = 937.25 × 316.32
  4. Step 4: Simplify right side
    624.26x = 296,475.11
  5. Step 5: Solve for x
    x = 296,475.11/624.26
  6. Step 6: Final answer
    x = 474.93

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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.