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Finding the Fourth Proportional to 624.42, 936.97 and 526.46

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Solution

The fourth proportional to 624.42, 936.97 and 526.46 is: 789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.42 : 936.97 = 526.46 : x
  2. Step 2: Convert to fraction form
    624.42/936.97 = 526.46/x
  3. Step 3: Cross multiply
    624.42x = 936.97 × 526.46
  4. Step 4: Simplify right side
    624.42x = 493,277.23
  5. Step 5: Solve for x
    x = 493,277.23/624.42
  6. Step 6: Final answer
    x = 789.98

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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.