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Finding the Fourth Proportional to 503.62, 751.02 and 483.11

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Solution

The fourth proportional to 503.62, 751.02 and 483.11 is: 720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.62 : 751.02 = 483.11 : x
  2. Step 2: Convert to fraction form
    503.62/751.02 = 483.11/x
  3. Step 3: Cross multiply
    503.62x = 751.02 × 483.11
  4. Step 4: Simplify right side
    503.62x = 362,829.46
  5. Step 5: Solve for x
    x = 362,829.46/503.62
  6. Step 6: Final answer
    x = 720.45

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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.