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Finding the Fourth Proportional to 437.47, 603.14 and 358.49

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Solution

The fourth proportional to 437.47, 603.14 and 358.49 is: 494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    437.47 : 603.14 = 358.49 : x
  2. Step 2: Convert to fraction form
    437.47/603.14 = 358.49/x
  3. Step 3: Cross multiply
    437.47x = 603.14 × 358.49
  4. Step 4: Simplify right side
    437.47x = 216,222.06
  5. Step 5: Solve for x
    x = 216,222.06/437.47
  6. Step 6: Final answer
    x = 494.26

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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.