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Finding the Fourth Proportional to 603.53, 899.47 and 591.38

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Solution

The fourth proportional to 603.53, 899.47 and 591.38 is: 881.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.53 : 899.47 = 591.38 : x
  2. Step 2: Convert to fraction form
    603.53/899.47 = 591.38/x
  3. Step 3: Cross multiply
    603.53x = 899.47 × 591.38
  4. Step 4: Simplify right side
    603.53x = 531,928.57
  5. Step 5: Solve for x
    x = 531,928.57/603.53
  6. Step 6: Final answer
    x = 881.36

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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.