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Finding the Fourth Proportional to 603.30, 904.52 and 295.22

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Solution

The fourth proportional to 603.30, 904.52 and 295.22 is: 442.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.30 : 904.52 = 295.22 : x
  2. Step 2: Convert to fraction form
    603.30/904.52 = 295.22/x
  3. Step 3: Cross multiply
    603.30x = 904.52 × 295.22
  4. Step 4: Simplify right side
    603.30x = 267,032.39
  5. Step 5: Solve for x
    x = 267,032.39/603.30
  6. Step 6: Final answer
    x = 442.62

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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.