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Finding the Fourth Proportional to 437.53, 603.23 and 358.56

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Solution

The fourth proportional to 437.53, 603.23 and 358.56 is: 494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.53 : 603.23 = 358.56 : x
  2. Step 2: Convert to fraction form
    437.53/603.23 = 358.56/x
  3. Step 3: Cross multiply
    437.53x = 603.23 × 358.56
  4. Step 4: Simplify right side
    437.53x = 216,294.15
  5. Step 5: Solve for x
    x = 216,294.15/437.53
  6. Step 6: Final answer
    x = 494.35

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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.