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Finding the Fourth Proportional to 503.02, 754.77 and 242.89

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Solution

The fourth proportional to 503.02, 754.77 and 242.89 is: 364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.02 : 754.77 = 242.89 : x
  2. Step 2: Convert to fraction form
    503.02/754.77 = 242.89/x
  3. Step 3: Cross multiply
    503.02x = 754.77 × 242.89
  4. Step 4: Simplify right side
    503.02x = 183,326.09
  5. Step 5: Solve for x
    x = 183,326.09/503.02
  6. Step 6: Final answer
    x = 364.45

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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.