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Finding the Fourth Proportional to 437.07, 603.38 and 358.59

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Solution

The fourth proportional to 437.07, 603.38 and 358.59 is: 495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.07 : 603.38 = 358.59 : x
  2. Step 2: Convert to fraction form
    437.07/603.38 = 358.59/x
  3. Step 3: Cross multiply
    437.07x = 603.38 × 358.59
  4. Step 4: Simplify right side
    437.07x = 216,363.02
  5. Step 5: Solve for x
    x = 216,363.02/437.07
  6. Step 6: Final answer
    x = 495.04

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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.