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Finding the Fourth Proportional to 624.10, 936.48 and 526.14

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Solution

The fourth proportional to 624.10, 936.48 and 526.14 is: 789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.10 : 936.48 = 526.14 : x
  2. Step 2: Convert to fraction form
    624.10/936.48 = 526.14/x
  3. Step 3: Cross multiply
    624.10x = 936.48 × 526.14
  4. Step 4: Simplify right side
    624.10x = 492,719.59
  5. Step 5: Solve for x
    x = 492,719.59/624.10
  6. Step 6: Final answer
    x = 789.49

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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.