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Finding the Fourth Proportional to 437.83, 603.93 and 260.67

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Solution

The fourth proportional to 437.83, 603.93 and 260.67 is: 359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.83 : 603.93 = 260.67 : x
  2. Step 2: Convert to fraction form
    437.83/603.93 = 260.67/x
  3. Step 3: Cross multiply
    437.83x = 603.93 × 260.67
  4. Step 4: Simplify right side
    437.83x = 157,427.98
  5. Step 5: Solve for x
    x = 157,427.98/437.83
  6. Step 6: Final answer
    x = 359.56

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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.