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Finding the Fourth Proportional to 607.50, 911.52 and 376.65

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Solution

The fourth proportional to 607.50, 911.52 and 376.65 is: 565.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.50 : 911.52 = 376.65 : x
  2. Step 2: Convert to fraction form
    607.50/911.52 = 376.65/x
  3. Step 3: Cross multiply
    607.50x = 911.52 × 376.65
  4. Step 4: Simplify right side
    607.50x = 343,324.01
  5. Step 5: Solve for x
    x = 343,324.01/607.50
  6. Step 6: Final answer
    x = 565.14

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1.5x scale

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.