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Finding the Fourth Proportional to 437.06, 603.15 and 237.89

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Solution

The fourth proportional to 437.06, 603.15 and 237.89 is: 328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.06 : 603.15 = 237.89 : x
  2. Step 2: Convert to fraction form
    437.06/603.15 = 237.89/x
  3. Step 3: Cross multiply
    437.06x = 603.15 × 237.89
  4. Step 4: Simplify right side
    437.06x = 143,483.35
  5. Step 5: Solve for x
    x = 143,483.35/437.06
  6. Step 6: Final answer
    x = 328.29

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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.