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Finding the Fourth Proportional to 626.08, 937.66 and 351.60

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Solution

The fourth proportional to 626.08, 937.66 and 351.60 is: 526.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.08 : 937.66 = 351.60 : x
  2. Step 2: Convert to fraction form
    626.08/937.66 = 351.60/x
  3. Step 3: Cross multiply
    626.08x = 937.66 × 351.60
  4. Step 4: Simplify right side
    626.08x = 329,681.26
  5. Step 5: Solve for x
    x = 329,681.26/626.08
  6. Step 6: Final answer
    x = 526.58

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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.