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Finding the Fourth Proportional to 477.02, 716.73 and 303.77

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Solution

The fourth proportional to 477.02, 716.73 and 303.77 is: 456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.02 : 716.73 = 303.77 : x
  2. Step 2: Convert to fraction form
    477.02/716.73 = 303.77/x
  3. Step 3: Cross multiply
    477.02x = 716.73 × 303.77
  4. Step 4: Simplify right side
    477.02x = 217,717.49
  5. Step 5: Solve for x
    x = 217,717.49/477.02
  6. Step 6: Final answer
    x = 456.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.