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Finding the Fourth Proportional to 503.84, 695.23 and 294.01

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Solution

The fourth proportional to 503.84, 695.23 and 294.01 is: 405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    503.84 : 695.23 = 294.01 : x
  2. Step 2: Convert to fraction form
    503.84/695.23 = 294.01/x
  3. Step 3: Cross multiply
    503.84x = 695.23 × 294.01
  4. Step 4: Simplify right side
    503.84x = 204,404.57
  5. Step 5: Solve for x
    x = 204,404.57/503.84
  6. Step 6: Final answer
    x = 405.69

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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.