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Finding the Fourth Proportional to 504.14, 695.18 and 356.72

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Solution

The fourth proportional to 504.14, 695.18 and 356.72 is: 491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.14 : 695.18 = 356.72 : x
  2. Step 2: Convert to fraction form
    504.14/695.18 = 356.72/x
  3. Step 3: Cross multiply
    504.14x = 695.18 × 356.72
  4. Step 4: Simplify right side
    504.14x = 247,982.03
  5. Step 5: Solve for x
    x = 247,982.03/504.14
  6. Step 6: Final answer
    x = 491.90

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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.