Home / 603.05-904.56-192.21

Finding the Fourth Proportional to 603.05, 904.56 and 192.21

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Solution

The fourth proportional to 603.05, 904.56 and 192.21 is: 288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.05 : 904.56 = 192.21 : x
  2. Step 2: Convert to fraction form
    603.05/904.56 = 192.21/x
  3. Step 3: Cross multiply
    603.05x = 904.56 × 192.21
  4. Step 4: Simplify right side
    603.05x = 173,865.48
  5. Step 5: Solve for x
    x = 173,865.48/603.05
  6. Step 6: Final answer
    x = 288.31

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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.