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Finding the Fourth Proportional to 603.10, 904.38 and 359.74

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Solution

The fourth proportional to 603.10, 904.38 and 359.74 is: 539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.10 : 904.38 = 359.74 : x
  2. Step 2: Convert to fraction form
    603.10/904.38 = 359.74/x
  3. Step 3: Cross multiply
    603.10x = 904.38 × 359.74
  4. Step 4: Simplify right side
    603.10x = 325,341.66
  5. Step 5: Solve for x
    x = 325,341.66/603.10
  6. Step 6: Final answer
    x = 539.45

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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.