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Finding the Fourth Proportional to 603.22, 899.56 and 597.76

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Solution

The fourth proportional to 603.22, 899.56 and 597.76 is: 891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.22 : 899.56 = 597.76 : x
  2. Step 2: Convert to fraction form
    603.22/899.56 = 597.76/x
  3. Step 3: Cross multiply
    603.22x = 899.56 × 597.76
  4. Step 4: Simplify right side
    603.22x = 537,720.99
  5. Step 5: Solve for x
    x = 537,720.99/603.22
  6. Step 6: Final answer
    x = 891.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.