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Finding the Fourth Proportional to 504.44, 695.56 and 357.16

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Solution

The fourth proportional to 504.44, 695.56 and 357.16 is: 492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.44 : 695.56 = 357.16 : x
  2. Step 2: Convert to fraction form
    504.44/695.56 = 357.16/x
  3. Step 3: Cross multiply
    504.44x = 695.56 × 357.16
  4. Step 4: Simplify right side
    504.44x = 248,426.21
  5. Step 5: Solve for x
    x = 248,426.21/504.44
  6. Step 6: Final answer
    x = 492.48

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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.