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Finding the Fourth Proportional to 603.56, 904.68 and 383.84

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Solution

The fourth proportional to 603.56, 904.68 and 383.84 is: 575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.56 : 904.68 = 383.84 : x
  2. Step 2: Convert to fraction form
    603.56/904.68 = 383.84/x
  3. Step 3: Cross multiply
    603.56x = 904.68 × 383.84
  4. Step 4: Simplify right side
    603.56x = 347,252.37
  5. Step 5: Solve for x
    x = 347,252.37/603.56
  6. Step 6: Final answer
    x = 575.34

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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.