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Finding the Fourth Proportional to 1,014.56, 1,522.06 and 603.22

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Solution

The fourth proportional to 1,014.56, 1,522.06 and 603.22 is: 904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.56 : 1,522.06 = 603.22 : x
  2. Step 2: Convert to fraction form
    1,014.56/1,522.06 = 603.22/x
  3. Step 3: Cross multiply
    1,014.56x = 1,522.06 × 603.22
  4. Step 4: Simplify right side
    1,014.56x = 918,137.03
  5. Step 5: Solve for x
    x = 918,137.03/1,014.56
  6. Step 6: Final answer
    x = 904.96

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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.