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Finding the Fourth Proportional to 437.18, 603.32 and 240.71

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Solution

The fourth proportional to 437.18, 603.32 and 240.71 is: 332.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.18 : 603.32 = 240.71 : x
  2. Step 2: Convert to fraction form
    437.18/603.32 = 240.71/x
  3. Step 3: Cross multiply
    437.18x = 603.32 × 240.71
  4. Step 4: Simplify right side
    437.18x = 145,220.94
  5. Step 5: Solve for x
    x = 145,220.94/437.18
  6. Step 6: Final answer
    x = 332.18

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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.