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Finding the Fourth Proportional to 603.24, 904.89 and 371.98

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Solution

The fourth proportional to 603.24, 904.89 and 371.98 is: 557.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.24 : 904.89 = 371.98 : x
  2. Step 2: Convert to fraction form
    603.24/904.89 = 371.98/x
  3. Step 3: Cross multiply
    603.24x = 904.89 × 371.98
  4. Step 4: Simplify right side
    603.24x = 336,600.98
  5. Step 5: Solve for x
    x = 336,600.98/603.24
  6. Step 6: Final answer
    x = 557.99

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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.