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Finding the Fourth Proportional to 603.14, 831.87 and 437.90

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Solution

The fourth proportional to 603.14, 831.87 and 437.90 is: 603.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.14 : 831.87 = 437.90 : x
  2. Step 2: Convert to fraction form
    603.14/831.87 = 437.90/x
  3. Step 3: Cross multiply
    603.14x = 831.87 × 437.90
  4. Step 4: Simplify right side
    603.14x = 364,271.71
  5. Step 5: Solve for x
    x = 364,271.71/603.14
  6. Step 6: Final answer
    x = 603.96

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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.