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Finding the Fourth Proportional to 603.04, 904.25 and 383.28

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Solution

The fourth proportional to 603.04, 904.25 and 383.28 is: 574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.04 : 904.25 = 383.28 : x
  2. Step 2: Convert to fraction form
    603.04/904.25 = 383.28/x
  3. Step 3: Cross multiply
    603.04x = 904.25 × 383.28
  4. Step 4: Simplify right side
    603.04x = 346,580.94
  5. Step 5: Solve for x
    x = 346,580.94/603.04
  6. Step 6: Final answer
    x = 574.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.