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Finding the Fourth Proportional to 437.01, 603.34 and 304.18

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Solution

The fourth proportional to 437.01, 603.34 and 304.18 is: 419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.01 : 603.34 = 304.18 : x
  2. Step 2: Convert to fraction form
    437.01/603.34 = 304.18/x
  3. Step 3: Cross multiply
    437.01x = 603.34 × 304.18
  4. Step 4: Simplify right side
    437.01x = 183,523.96
  5. Step 5: Solve for x
    x = 183,523.96/437.01
  6. Step 6: Final answer
    x = 419.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.