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Finding the Fourth Proportional to 437.02, 603.05 and 240.53

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Solution

The fourth proportional to 437.02, 603.05 and 240.53 is: 331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.02 : 603.05 = 240.53 : x
  2. Step 2: Convert to fraction form
    437.02/603.05 = 240.53/x
  3. Step 3: Cross multiply
    437.02x = 603.05 × 240.53
  4. Step 4: Simplify right side
    437.02x = 145,047.40
  5. Step 5: Solve for x
    x = 145,047.40/437.02
  6. Step 6: Final answer
    x = 331.90

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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.