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Finding the Fourth Proportional to 503.01, 750.87 and 495.72

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Solution

The fourth proportional to 503.01, 750.87 and 495.72 is: 739.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.01 : 750.87 = 495.72 : x
  2. Step 2: Convert to fraction form
    503.01/750.87 = 495.72/x
  3. Step 3: Cross multiply
    503.01x = 750.87 × 495.72
  4. Step 4: Simplify right side
    503.01x = 372,221.28
  5. Step 5: Solve for x
    x = 372,221.28/503.01
  6. Step 6: Final answer
    x = 739.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.