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Finding the Fourth Proportional to 607.93, 912.24 and 242.75

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Solution

The fourth proportional to 607.93, 912.24 and 242.75 is: 364.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.93 : 912.24 = 242.75 : x
  2. Step 2: Convert to fraction form
    607.93/912.24 = 242.75/x
  3. Step 3: Cross multiply
    607.93x = 912.24 × 242.75
  4. Step 4: Simplify right side
    607.93x = 221,446.26
  5. Step 5: Solve for x
    x = 221,446.26/607.93
  6. Step 6: Final answer
    x = 364.26

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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.